ACW Pump Test Procedures

Commissioning Measures Form for Approval

No.YDTD-TS17

Project

name

Phase I of 2×330MW Project of Tengda

Coal-fired Power Plant in India

Contract

No.

ITD-032

To: Tengda Project Department of Sichuan Machinery & Equipment Import & Export Corporation

Now it is submitted for the examination and approval with the opened circulating cooling water system

commissioning measure

Document No.: YDTD-QJCS-17

Appendix: Opened Circulating Cooling Water System Commissioning Measure

Contractor: Sichuan Tongneng Power Technology Co. Ltd.

Project principal Date

Examination and approval opinions of the project supervision department:

Project supervision department (seal)

Supervision engineer: Date

Chief supervision engineer: Date

Phase I of 2×330MW pro jec t o f Tengda coa l - f i red power p lant in India Opened circulating cooling water system commissioning measure

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Examination and approval opinions of the owner

Legal person of the project (seal):

Owner representative Date

Contractor: Sichuan Tongneng Power Technology Co. Ltd Mar. 2008

Phase I of 2×330MW Project of Tengda Coal-fired Power Plant in India

Opened Circulating Cooling Water System

Commissioning Measure

Sichuan Power Industry Commissioning Test Institute Sichuan Tongneng Power Technology Co., Ltd

Mar. 2008

Examination and Approval Record for

Documents

D o c u m e n t

n a m e Opened Circulating Cooling Water System Commissioning Measure

D o c u m e n t

N o . YDTD-QJCS-17

The 1st

version

Date of

publication

The

2nd

version

Date of

publication

Main revised content

E d i t i o n n o .

The 3rd

version

Date of

publication

Main revised content

M a n a g e r ’s

a p p r o v a l o f

t h e

c o m m i s s i o n i

n g p r o j e c t

D a t e :


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R e v i e w o f t h e

p r i n c i p a l o f

p r o f e s s i o n a l

g r o u p o f

c o m m i s s i o n i

n g p r o j e c t

D a t e :

C o m p i l e r o f

t h e t e c h n i c a l

d o c u m e n t

D a t e

Content

1.Compilation purpose 1

2.Compilation reference 2

3.Commissioning quality standard and object 3

4.Responsibility division 4

5.System brief introduction 5

6.Conditions required before commissioning 6

7.Commissioning work procedure 7


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8.Commissioning step 8

9.Safety measure 9

10. Appendix 10

#1 Sets of phase I of 2×330MW projec t o f Tengda coa l - f i red power p lant in India Opened circulating cooling water system commissioning measure

1. Purposes

1.1 These measures are formulated with the purposes to instruct and standardize system and

equipment commissioning works and ensure that the system and equipment can be put into

operation safely and normally.

1.2 To examine electrical and thermal engineering protection interlocks and signal devices of

the open circulating water cooling system and to confirm the reliability of their action.

1.3 To examine the operation situation of the system and equipment, performance of the

system, find out and remove possible defects.

2. Compilation reference

2.1 Code of Startup and Completion Acceptance of Thermal Power Plant (1996) DJ [1996] No.

159

2.2 The Code of Erection and Acceptance of Electric Power Construction (Section of Steam

Turbine Set) DL5011-1992

2.3 The Code of Erection and Acceptance of Electric Power Construction (Piping Section)

DL5031-1994

2.4 Standard for Quality Inspection & Assessment of Regulation & Commissioning of Thermal

Power Engineering JZ [1996] No. 111

2.5 Regulations on Startup and Commissioning Works of Thermal Power Engineering JZ

[1996] No. 40

2.6 Drawings, installation and use commands, product warranty and certificate of merchandise

provided by the manufacturer

2.7 Design documents, drawings, specifications, and the documents concerning

commissioning, and meeting minutes, etc.

2.8 Equipment supply contract, and international and state standards stipulated in the supply

contract.

3. Commissioning Quality Standard and Objects

3.1 The commissioning results of the open circulating water cooling system shall conform to

all quality standard requirements for the open circulating water cooling system and

equipment stipulated in the Standard for Quality Inspection & Assessment of Regulation &


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Commissioning of Thermal Power Engineering (1996) and quality requirements specified

in the commissioning contract.

3.2 Subsystem commissioning shall be checked qualified and conform to the integrated startup

requirements of the set.

4. Responsibilities division

In accordance with the relevant regulations specified in the Standard for Quality Inspection

& Assessment of Regulation & Commissioning of Thermal Power Engineering (1996) newly

promulgated and commissioning contract, the responsibilities of all parties concerned are given

below:

4.1 Installation unit:

4.1.1 Be responsible for single unit commissioning and commissioning of the equipment.

4.1.2 Be responsible for system isolation.

4.1.3 Be responsible for repairing, maintenance and defect elimination of the equipment.

4.1.4 Prepare for the required repairing tools and materials.

4.1.5 Cooperate with the commissioning unit to handle commissioning works of the subsystem.

4.1.6 Be responsible for attestation of the system after sub-system commissioning.

4.2 Manufacturing unit:

4.2.1 Be responsible for stop and start, operation adjustment and accident handling during the

commissioning of the system.

4.2.2 Be responsible for hanging label for the relevant systems and equipment.

4.2.3 Prepare for the operation procedures, tools and record report etc.

4.2.4 Be responsible for patrol inspection and routine maintenance works.

4.3 Responsibilities of commissioning unit:

4.3.1 Be responsible for compilation of commissioning measures (schemes) and technical

disclosure.

4.3.2 Prepare for the instruments, meters and tools for the commissioning.

4.3.3 Be responsible for command works of the subsystem commissioning.

4.3.4 Be responsible for data recording and arrangement of the commissioning.

4.3.5 Fill in commissioning quality examination and evaluation sheet.

4.3.6 Be responsible for attestation of the system after sub-system commissioning.

4.3.7 Compile commissioning report

4.4 The installation unit shall be responsible for single unit commissioning works of pump units


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and the commissioning unit shall participate in the commissioning and be responsible for

the subsystem commissioning of the pump unit. The installation unit and other relevant

units shall cooperate with the commissioning unit in commissioning. The commissioning

of the open circulating water cooling system shall be carried out by a professional team led

by the steam turbine specialty, and electrical, thermal control and other specialties shall

cooperate with it.

5. Brief Introduction to the System

5.1 System profile

The water source of the open cooling water is from the water tank of the water cooling

tower and circulating water inlet main pipe of steam condenser (A discharged out), and is

supplied to the user after pressure increase by the open cooling water pump. Back water is

discharged to the steam condenser and the return water main pipe of the circulating water of the

water tank of the water cooling tower, mainly to hydrogen cooler in generator, cooling water

cooler of the stator, working oil cooler of electrical water feed pump, lubricant cooler, air cooler

of electrical pump motor. Both A and B condensate pump motor coolers mainly provide cooling

water and the water for various purposes of the steam turbine house. The cooling water for

lubricant of the turbine generator is from the water tank of the water cooling tower and

circulating water inlet main pipe of steam condenser (A discharged out), and the return water is

directly discharged to the water tank of the cooling water tower not through pressure increase in

the open cooling water pump.

5.2 Technical specifications of main equipment

5.2.1 Open circulating cooling water pump

Model 500S-35A

Rate of flow 1746m3/h

Head 27m

Revolutions 970rpm

NPSHa 6m

Motor Model Y3555-6

Voltage 6000V

Current 27.4A

Power 220KW

Revolutions 985rpm


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5.2.2 Rotating filter mesh

Model: WX-Q-C

Capacity: 1500T/h

Aperture: Φ3mm

Power: 1.5KW

Voltage: 380V

Pressure: 0.6MPa

Qty.: 2 sets

6. Conditions Required Before Commissioning

Before commencement of the system commissioning, the commissioning engineer shall

comprehensively examine the conditions required for the commissioning of the system according

to the contents listed in Annex 2 (Check List of Conditions Required before Commissioning) and

record the examination results well.

7. Commissioning Procedures

The commissioning of the open cooling water system can be done as per the following flow:


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系统投运及动态调整

有关管路冲洗

联锁保护及报警试验

调试需满足的条件确认

调试技术方案交底主设备安装及单体调试结束

仪控安装及有关调试结束

电气安装及有关调试结束

管道阀门安装调试

安全条件满足

联锁保护试验

报警试验

图 1 调试流程图

开式冷却水泵组试运行

调试技术方案交底 Commissioning technology scheme disclosure 主设备安装及单体调试结束 Completion of main equipment installation and single unit commissioning 仪控安装及有关调试结束 Completion of meter control installation and relevant commissioning 调试需满足的条件确认 Confirmation of conditions required for commissioning 电气安装及有关调试结束 Completion of electrical installation and relevant commissioning 管道阀门安装调试 Installation and commissioning of pipe valves 安全条件满足 Safety condition conformity 联锁保护及报警实验 Interlocking protection and alarm test 联锁保护实验 Interlocking protection test 报警实验 Alarm test 开式冷却水泵组试运行 Commissioning of open cooling water pump set 有关管路冲洗 Flushing of pipelines 系统投运及动态调整 System operation and dynamic adjustment 图 1 调试流程图 Figure 1 Commissioning Flow Chart

8. Commissioning Steps

8.1 Examination by execution unit

8.1.1 Check and accept electrical opener and record the following data:

a. KKS code

b. Name (the detailed description on the opener provided by the power plaint prevails,


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if available)

c. Check whether the position indication on the spot is correct.

d. Check whether the operation direction on the electrical turning is correct and

whether the feedback is correct.

e. Check whether the operation direction on CRT is correct and whether the feedback

is correct.

f. Valve opening and closing time

8.1.2 Check and accept shutter and record the following data:

a. KKS code

b. Name (the detailed description on the shutter provided by the power plaint prevails,

if available)

c. The corresponding local position indications and feedback indications (the offset

between the commands required and fed back shall not exceed 3%) as the upper

line of the commands is 0%, 25%, 50%, 75%, 100%, and the low line 100%, 75%,

50%, 25% and 0%.

d. Check whether quick opening and closing functions are available

8.2 Examination of thermal engineering signals

8.2.1 Check and accept analog signals and record the following data:

a. Signal name

b. KKS code

c. Range and corresponding output quantity and unit

8.2.2 Check and accept on-off signals and record the following data:

a. Signal name

b. KKS code

c. Signal design value

d. Marked value on the conformity certificate of primary elements installed properly

8.2.3 For the signals above, the person in charge shall analyze whether the signals collected

can really represent the signals to be measured according to the position of the signal

sampling site. In case that the signals to be measured cannot be represented, the person in

charge shall advance written application for modification to the owner.

8.3 Interlock protection and alarm examination

8.3.1 Make the power supply of the open water pump at the test position

8.3.2 Examine the following items

a. Start up the open water pump on CRT to check whether the feedback on the CRT is


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correct.

b. Stop the open water pump on CRT to check whether the feedback on the CRT is

correct.

8.3.3 Reliable operation of accident button

8.3.4 Accident linkage test of the open water pump

8.3.5 Protection test of the open water pump, including:

8.3.5.1 Examination of start-up permission conditions of open water pump A/B

The valve of pump inlet has opened

8.3.5.2 Interlocking examination of the open water pump A/B

(1) As the main pump is in action and outlet pressure is low, the standby pump shall be

started up in an interlocking manner.

(2) As the process pump trips, the standby pump shall be started up in an interlocking

manner.

8.3.6 Interlocking test of motor-driven valve at the open water pump inlet

(1) Opening and closing can be controlled manually/by sequence.

(2) As the open water pump is in action, the motor-driven valve at the inlet shall not be

closed.

8.3.7 Interlocking test of motor-driven valve at the open water pump outlet

(1) Opening and closing can be controlled manually/by sequence.

(2) As the open water pump is in standby service, open the motor-driven valve at local side

outlet in an interlocking manner.

(3) As the open water pump is in service, open the motor-driven valve at local side outlet in

an interlocking manner.

(4) As the open water pump stops, close the motor-driven valve at local side outlet in an

interlocking manner.

8.3.8 Interlocking examination of open circulating water auto-backwash bypass motor-driven

valve

(1) The valve can be opened or closed manually;

(2) Turn on the open circulating water auto-backwash device jointly.

8.3.9 Interlocking test of the motor-driven valve from open circulating water to air compressor

(1) The valve can be opened or closed manually;

(2) As the open water pump is in standby service, open this valve in an interlocking manner.

(3) As the open water pump is in service, open this valve in an interlocking manner.

(4) As the open water pump stops, close this valve in an interlocking manner.


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8.4 Commissioning of open cooling water pump and open water system

8.4.1 Running-in test of the open cooling water pump motor

8.4.1.1 Confirm that the installation of the motor is finished.

8.4.1.2 Confirm that the dynamic power of the motor is at off position and various tests of the

motor are qualified.

8.4.1.3 Confirm that the motor has been disengaged with the coupling of the open cooling

water pump and examine whether the lubricant of motor is qualified and sufficient.

8.4.1.4 Manually rotate the motor rotor to confirm whether there exists friction between the

moving and static parts and whether the bearing has abnormal sound.

8.4.1.5 Confirm whether the motor interlocking protection test of the open cooling water

pump is qualified.

8.4.1.6 The ones without safety impacts and failing to meet protection or interlocking test

shall be forcefully carried out and the results shall be recorded well.

8.4.2 Motor inching:

8.4.2.1 Switch on the operation power supply and dynamic power of the motor.

8.4.2.2 Start the motor on DCS and stop the motor with accident button on the spot after the

motor current falls back. During rotation, please note whether there exists abnormal

sound and record the following data:

a. Voltage

b. Startup current

c. Current fallback time

8.4.2.3 In the course of stopping the motor, examine and confirm: whether the rotation speed

of the motor is correct, whether there is any abnormal sound during rotation, and

whether there exists friction between the moving and static parts

8.4.3 Commissioning of the motor:

8.4.3.1 After 20 minutes, restart the motor on CRT. Please note the start time internal of the

motor shall not be less than the manufacturer’s requirements or electrical

requirements, and note whether the motor body and bearing have any abnormal sound

during rotation, and record the following data: (for all parameters, the local data and

CRT indications shall be recorded)

a. Startup time

b. Operating current

c. Bearing vibration

d. Bearing temperature


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The data above that can be seen on CRT shall be recorded once every half an hour.

8.4.3.2 Two hours later after commissioning, stop the motor on CRT, and record the closing

time and coasting operation time. For any abnormal sound during commissioning, the

commissioning shall be stopped immediately.

8.4.3.3 Isolating dynamic power of the motor

8.4.3.4 Recover in forced thermal engineering interlock and protection described in 8.4.1.6.

8.4.4 Commissioning of open cooling water pump and open water system

8.4.4.1 Examine and conform conformity to the following conditions before commissioning:

a. Confirm that equipment, pipelines and electrical wiring and so on conform to the

requirements.

b. Electrical test and interlocking tests have been finished.

c. The interlocking test of the valve has been finished.

d. Confirm that the installation of the open cooling water system has been finished

and the system is complete.

e. The hydraulic test of the open water pipe is qualified.

f. The flushing of the circulating water pipelines and open cooling water incoming

pipelines has been finished and all pipes are recovered.

g. The single unit commissioning of the open cooling water pump motor is finished

and the coupling between the motor and open cooling water pump is recovered

well.

h. The system metering has been put into service (the metering shall be put into

service after upon the completion of flushing of the meter pipe);

i. The inlet and outlet pipes and filter mesh of the system have been cleaned well.

j. All bearings of the open cooling water pump have enough lubricant and cooling

water.

k. Examine the compacting degree of fillings and the filling gland shall be pressed

evenly;

l. The rotor of the manual open cooling water pump works normally.

m. The insulation resistance of electric valve motor conforms to the relevant

requirements through measurement and the power supply has been applied.

8.4.4.2 The ones without safety impacts and failing to meet protection or interlocking test

shall be forcefully carried out and the results shall be recorded well.

8.4.4.3 Flow of commissioning system for the open cooling water pump: Circulating water

inflow→ open cooling water pump→ to users of open cooling water→ circulating


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water return;

Commissioning shall be performed for the short pipes of inlet and outlet pipes of the open

cooling water users because the pipes are not rinsed at first startup. The inlet and outlet isolation

valves of partial open cooling water users may be opened and others closed so as to prevent the

open cooling water pump from over-current. The pipes shall be rinsed upon the completion of

commissioning. Commissioning and flushing may be carried out simultaneously, however the

pipes shall be rinsed alternatively. In addition, the good operation of the pump shall be ensured.

8.4.4.4 Startup preparation of the open cooling water

a. Confirm that the water level of the circulating water tank is supplemented to the

normal level and at least one circulating pump is at work.

b. Examine that the oil level of bearings is normal;

c. Examine that the cooling water of the bearings is normal;

d. Close pump set and all water drain valves on the pipes

e. Open the air damper in the open cooling water system and close it after water

drain.

f. Open inlet valve and outlet valve of the open cooling water pump and fill up water

into the pump and pipe. Close the outlet valve after filling up water.

g. Switch on the dynamic power supply of the open cooling water pump if the

insulation of the open cooling water pump is qualified.

8.4.4.5 Finally confirm the following startup conditions:

a. The open cooling water pump allows startup;

b. Interlocking button of the open cooling water pump is released.

8.4.4.6 Switch on the dynamic power of the pump and stop the pump after startup for five

seconds to examine:

a. Whether the rotation direction of the pump conforms to the design requirements

b. Whether there exists any abnormal sound

c. Whether the oil level and temperature of the bearings are normal

d. Whether the oil temperature is normal and below the specified value of the

manufacturer; the temperature of lubricant shall be 65-70℃ and grease less than

80℃.

e. Whether the vibration is normal

Under no load and full load, the vertical vibration, horizontal vibration and axial vibration

(double amplitude) of the bearing measured with qualified vibration meter shall not exceed the


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one in the following table.

(mm) Vibration Amplitude Revolutions

Excellent Good Qualified n<=1000 0.05 0.07 0.10

1000<n<=2000 0.04 0.06 0.08 2000<n<=3000 0.03 0.04 0.05

n>3000 0.02 0.03 0.04 f. Whether the water pipelines of the system leaks; close the air damper upon

completion of the air discharge.

8.4.4.7 If no abnormity, restart the pump. If the outlet valve is opened without interlocking

after start, the valve shall be opened manually. Record the following parameters (for

all parameters, the local data and CRT indications shall be recorded)

a. Startup time

b. Startup current and current fallback time

c. Current of the open cooling water pump

d. Voltage

e. Outlet pressure of the open cooling water pump

f. Inlet pressure of the open cooling water pump

g. Vibration of the open cooling water pump

h. Temperature of motor coil of the open cooling water pump

i. Temperature of bearing of the open cooling water pump

j. Water level of the circulating water tank

The data above that can be seen on CRT shall be recorded once every half an hour. And

the local data shall be recorded once every one hour.

8.4.4.8 Please note whether the filter mesh is clogged during operation.

8.4.4.9 Examine whether the system leaks and whether the brackets and hangers are normal.

8.4.4.10 Flushing of open circulating cooling water system

a. The flushing of the open cooling water system mainly means the flushing of the

pipelines from the open cooling system to lubricant cooler of the turbine generator,

vacuum pump cooler, closed circulating cooling water cooler, generator hydrogen

cooler, stator water cooler, EH oil cooler, working oil cooler of electric feed pump,

lubricant cooler of electric feed pump and booster pump, lubricant cooler of steam

feed pump A, lubricant cooler of B steam feed pump, and air compressor etc.


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b. The filter mesh and shutter core of the subsystems in the system shall be

dismantled before flushing.

c. Inlet and outlet pipes of the subsystems shall be connected short.

d. The pressure of the pump outlet shall be maintained and inlet valve of the open

cooling water user shall be controlled for flushing. The pipes shall be flushed

alternatively for good flushing effect.

e. Flushing quality: The water shall be cleanly and transparent without sundries and

shall be qualified through examination by all parties concerned.

f. The subsystems shall be recovered and filter mesh shall be cleaned upon

completion of flushing.

8.4.4.11 The commissioning of the open cooling water pump shall be 8 hours. Stop the pump

and record the closing time upon the completion of the commissioning. The coasting

operation time of the open cooling water pump shall be recorded.

8.4.4.12 Switch off the dynamic power of the open cooling water pump.

8.5 Operation of the system at the whole operation stage

Record all parameters including local data and CRT indications of the open cooling system

during 168 period.

8.5.1 Operation and stop of the open cooling water pump

8.5.1.1 Examine before system commissioning

a. Confirm that the interlocking tests of the open cooling water pump systems are

qualified.

b. Comprehensively examine the equipment and pipelines of the open cooling water

pump system to confirm that they conform to the operation requirements.

c. Apply power after confirming that the insulation of the open cooling water pump

and the relevant equipment is qualified.

d. Examine and confirm that the water level of the circulating water tank and the

circulating water pump operates normally.

e. Examine whether the cooling water of the bearing of the open cooling water pump

is adjusted well.

8.5.1.2 Operation of the open cooling water pump

a. Conduct examination and preparation before startup according to these measures.

b. Open the motor-driven valve at the inlet.

c. Turn the pump for 3 revolutions manually and confirm that all shall be normal.

d. Examine and clean the filter mesh of the inlet.


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e. Start up the open cooling water pump. If the outlet valve is opened without

interlocking after start, the valve shall be opened manually. Record the temperature

and vibration of all bearings, motor current, and outlet and inlet pressure of the

pump.

f. Comprehensively examine pipes, brackets and hangers and the relevant equipment

of the open cooling water system. Any abnormity shall be in time removed.

8.5.1.3 Stop of the open cooling water pump

a. Stop the open cooling water pump.

b. Close the interlocking of the motor-driven valve at the outlet of the open cooling

water pump.

8.5.2 Dynamic alignment of the system

Monitoring and protection of all kinds of equipment in the system shall be intensified

during the operation of the open cooling water pump system. Any derivation shall be in time

adjusted so as to ensure the optimal operation state of the system.

a. Pressure adjustment

b. Temperature adjustment

c. Flow volume adjustment

8.5.3 Fill in commissioning records

The main parameters of startup commissioning shall be recorded in Table 9 attached.

9. Safety Measures

9.1 All commissioning participants shall strictly follow the Safety Regulations and the relevant

field safety regulations to ensure that the commissioning is performed safely and reliably.

9.2 In case of equipment damage and personal injury etc. occurred during commissioning, the

commissioning work shall be suspended immediately and reasons shall be analyzed and

solutions shall be advanced.

9.3 Any abnormity found out during commissioning shall be in time adjusted and reported to

the commander.

9.4 All professionals shall be available in the whole course of commissioning so as to ensure

the safety of the equipment operation.

9.5 In case that pump boils off, equipment or pipe is involved in severe vibration and operation

parameters exceed standard obviously, etc., the commissioning engineer shall immediately

stop the pump and terminate commissioning, analyze reasons and advance solutions.


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9.6 Monitor the oil level and bearing temperature change to prevent from bearing burning

accident.

9.7 In case that the differential pressure of the filter mesh of the pump inlet is too large

(>0.05MPa), it shall be in time handled.

9.8 Note the change of the water level of the circulating water tank during rotation. If the

water level is lower, more water shall be supplemented in time.

9.9 The commissioning participants must wear safety helmet during field commissioning.

Analysis on the persons in charge of the work possibly to be involved in dangers shall be

done. Dangerous factors and hidden troubles such as falling, electric shock, scald, and

twist injury by rotating machine shall be eliminated.

9.10 For personal injury and equipment damage that possibly will occur during commissioning,

the commissioning shall be stopped immediately and the equipment shall be placed under

the lowest energy state.

10. Appendices


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Annex 1 Check List of Conditions Required before Commissioning

S/No.

Description

Requirements

Check Date

Check Results

Remarks

1. Installation works of the open cooling water pump

All works are finished and technical data records are complete

2. Open cooling water pipe system

All works are finished and brackets and hangers are adjusted

3. Electrical test of motor

Test results are satisfied and the motor rotates under no load for 2 hours and is in good condition. The rotation direction is correct.

4. Static linkage of the corresponding computer systems (SCS and DAS)

Test is finished and conditions for operation are available

5. Instrument compressed air system

The conditions for operation are available

6. Motor-driven valve and adjustment valve of subsystems

Remote operation control works flexibly and its direction is correct.

7. Electrical and thermal engineering metering

All meters are installed and then can be put into service through calibration.

8. Cleaning of filter mesh

The filter mesh is cleaned well and temporary labels are hanged

9. Roads at commissioning site

Smooth roads, sufficient lighting and reliable accident lighting

10. Communication equipment at commissioning site

Convenient and usable

11. Fire apparatus Enough quantity

12. Repairing staffs (including electrical and thermal engineering staffs)

Enough staffs available who received training

13. Repairing tools and materials Enough


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14. Operation tools Record form Prepared

15. Test instruments and meters Prepared

Vibration gauge, tachometer and listening stick

Remarks:

Person in Charge of Commissioning: Date: YY/MM/DD


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Annex 2 Commissioning Record Sheet of Electric Valve

CRT Operation Time (s)

KKS Code Description

Local

Indications

Correct

Direction

Correct

Feedback

On

Off

Date Signature

20PCB10AA001

Inlet motor-driven valve of rotary filter mesh of the open cooling water pump

20PCB10AA002

Outlet motor-driven valve of rotary filter mesh of the open cooling water pump

20PCB10AA003

Bypass motor-driven valve of rotary filter mesh of the open cooling water pump

20PCB10AA004

Sewage drain motor-driven valve of rotary filter mesh of the open cooling water pump

20PCB21AA001

Motor-driven valve of open cooling water pump A inlet

10PCB21AA002

Motor-driven valve of open cooling water pump A outlet

20PCB22AA001

Motor-driven valve of B open cooling water pump inlet

20PCB22AA002

Motor-driven valve of open cooling water pump B outlet

20PCB40AA001

Inlet motor-driven valve of rotary filter mesh of lubricant cooler of the turbine generator

20PCB40AA002

Outlet motor-driven valve of rotary filter mesh of lubricant cooler of the turbine generator

20PCB40AA003

Bypass motor-driven valve of rotary filter mesh of lubricant cooler of the turbine generator

20PCB40AA004

Sewage drain motor-driven valve of rotary filter mesh of lubricant cooler of the turbine generator


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Annex 3 Commissioning Record Sheet of Shutter

As the command is the following value, feedback is (%)

KKS Code Description 0% 25% 50% 75% 100

% 75% 50% 25% 0%

Quick Opening/Closing

Function

Date

Signature

20PCB51AA001

Adjustment valve from open circulating water to return water of lubricant cooler of turbine generator A

20PCB52AA001

Adjustment valve from open circulating water to return water of lubricant cooler of turbine generator B

20PCB31AA001

Adjustment valve from open circulating water to return water of hydrogen cooler of generator

20PCB32AA001

Adjustment valve from open circulating water to return water of stator cooler of generator

20PCB33AA001

Adjustment valve from open circulating water to


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return water of lubricant cooler of water feed pump A turbine generator

20PCB34AA001

Adjustment valve from open circulating water to return water of lubricant cooler of water feed pump B turbine generator

20PCB35AA001

Adjustment valve from open circulating water to return water of electric pump lubricant, working oil, motor air cooler


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Annex 4 Check List of Interlocking Protection of Open Cooling Water System

S/No. Test Contents Check Date

Results Signature

1 Self startup of cooling water booster pump A

Switching on interlocking; the pressure of the booster pump outlet is low during operation of pump B

Switching on interlocking and pump B accident trip

2 Self startup of cooling water booster pump B

Switching on interlocking; the pressure of the booster pump outlet is low during operation of pump A

Switching on interlocking and pump A accident trip

3 Cooling water booster pump A starts and outlet motor-driven valve of booster pump A opens automatically

4 Cooling water booster pump A starts and outlet motor-driven valve of booster pump A closes automatically

5 Cooling water booster pump B starts and outlet motor-driven valve of booster pump B opens automatically

6 Cooling water booster pump B starts and outlet motor-driven valve of booster pump B closes automatically

7 As the cooling water booster pump A operates, no closing inlet valve of pump A

8 As the cooling water booster pump B operates, no closing inlet valve of pump B

9 Cooling water booster pump A switches on interlocking, and inlet and outlet motor-driven valves of pump A are automatically open

10 Cooling water booster pump B switches on interlocking, and inlet and outlet motor-driven valves of pump B are automatically open

11 Startup steps of cooling water booster pump A Close outlet valve of open circulating cooling water pump Open inlet valve of open circulating cooling water pump Startup open circulating cooling water pump

Delays for 5 seconds and then open the outlet valve of open circulating cooling water pump

12 Stop steps of cooling water booster pump A

Close outlet valve of open circulating cooling water pump

Stop open circulating cooling water pump

13 Startup steps of cooling water booster pump B


Open inlet valve of open circulating cooling water pump Startup open circulating cooling water pump Delays for 5 seconds and then open the outlet valve of open


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circulating cooling water pump 14 Stop steps of cooling water booster pump B


Stop open circulating cooling water pump

Recorded by: Test Date:


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Annex 5 Record Sheet of Commissioning Parameters of Open Cooling Water System

Data S/No. Item Unit 1 Current of open cooling water pump A 2 Pressure of open cooling water pump outlet MPa 3 Water level of circulating water tank mm 4 Pressure of circulating water pump outlet MPa 5 Temperature of motor bearing of open cooling

water pump ℃

6 Temperature of bearing of the open cooling water pump

℃

7 Temperature of open cooling water ℃ 8 Flow volume of open circulating cooling water t/h 9 Bearing vibration of open cooling water pump µm 11 Bearing vibration of open cooling water pump

motor µm

12 Pressure of main pipe of the electric filter inlet at lubricant cooler inlet of main machine MPa

13 Pressure of main pipe of the electric filter inlet of open cooling water pump

MPa