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Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota SHAR/CMD/2018 00 8982 Page no 1 / 24 SUPPLY OF 04 Nos., OF POWER CUM MOTOR CONTROL CENTRES (PMCC) FOR AC PLANTS.

SUPPLY OF 04 Nos., OF POWER CUM MOTOR ......Supply of 04 nos., of Power cum Motor Control C entres ( PMC C) for AC plants. SDSC SHAR , ISRO, Sriharikota SHAR/CMD/2018 00 8982 Page

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  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 1 / 24

    SUPPLY OF 04 Nos., OF

    POWER CUM MOTOR CONTROL CENTRES (PMCC) FOR

    AC PLANTS.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 2 / 24

    INDEX

    S.No. Description Page no

    1. Scope of Work, Terms and Conditions 03

    2. Schedule of quantities - Annexure I 09

    3. Specification of ACBs - Annexure II 11

    4. Specifications of MCCBs - Annexure III 13

    5. List of approved panel builders - Annexure IV 15

    6. List of approved makes of switchgears - Annexure V 18

    7. Specifications of Auto source transfer control panel - Annexure VI 19

    8. Specifications of Automatic and remotely operated Transfer

    Switches (ATS) - Annexure VII

    21

    9. Typical circuit diagram for DDC Control - Annexure VIII 22

    10. Technical Compliance Statement - Annexure IX - 23

    11. Price Bid Format - Annexure X 24

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 3 / 24

    TECHNICAL SPECIFICATIONs

    SCOPE OF WORK, TERMS AND CONDITIONS

    1.1 Supply of 04 nos., of Power cum Motor Control Centres (PMCCs) for AC

    plants

    1.2 The switch gear details and schedule of quantities are enclosed as Annexure I

    1.3 The specifications of ACBs are enclosed as Annexure II

    1.4 The specifications of MCCBs are enclosed as Annexure III

    1.5 List of approved panel builders is enclosed as in Annexure IV. The PMCCs

    shall be procured only from these approved panel builders.

    1.6 List of approved makes of components are enclosed as in Annexure V

    1.7 The specifications of Auto source transfer control panel are enclosed as

    Annexure VI

    1.8 The specifications of Specifications of Automatic and remotely operated Transfer

    Switch (ATS) are enclosed as Annexure VII

    1.9 All outgoing feeders shall have DDC inter posing aux. contactors and shall be

    wired up to cable chamber. Potential free contacts shall be wired up to cable

    chamber from contactors to acquire the on / off status at DDC. Local / DDC -

    selector switches shall also be provided. A typical motor control circuit diagram

    is enclosed as Annexure VIII

    1.10 Technical compliance statement is enclosed as Annexure IX.

    1.11 Price bid format is enclosed as Annexure X

    CONSTRUCTION

    1.12 The PMCC should be fully compartmentalized in dust and vermin proof sheet

    steel enclosures.

    1.13 The Panels shall be fabricated using suitable mild steel structural sections or

    pressed and shaped cold rolled sheet steel of thickness of min.2mm for load

    bearing members, 1.6mm for non- load bearing members and 3mm for base

    channel.

    1.14 The base frame shall be of minimum ISMC 100, integral to the PMCC panels.

    1.15 Each module, bus bar chambers, cable alley should be provided with hinged

    independent doors.

    1.16 All the elements of PMCC (frames, cubicles, doors etc.,) shall undergo seven

    tank surface treatments.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 4 / 24

    1.17 PMCC shall be painted by powder coating of approved shade / color process with

    two coats of zinc chromate primer and two coats of powder painting. The

    painting should be done to get a smooth, scratch free and corrosion resistance

    surface.

    1.18 Removable gland plates shall be provided at the cable chamber.

    1.19 PMCC shall be dust and vermin proof construction. The degree of protection

    shall be IP42.

    1.20 The panel shall be fabricated in no. of sections so that it is for easy for

    transportation and positioning the panels in the panel rooms after which they can

    be integrated.

    1.21 Cable chambers shall be adequately sized to accommodate the no.of cables.

    1.22 Fire retardant DMC/ SMC fillings for openings around the bus bars at the

    intermediate sections shall be provided so that the fire from one section /

    compartment spread to the other.

    1.23 The minimum clearance between phases and phase to earth shall be maintained

    as per standards for entire run of horizontal and vertical bus bars.

    1.24 ACB feeders shall be mounted in single tier and all ACBs shall be mounted &

    accessible at same height. No other feeder cubicle shall be in the same column

    as that of ACB

    1.25 PMCC shall be of height, not exceeding 1800 mm. The operating height shall be

    restricted to 300 mm minimum & 1600 mm maximum.

    1.26 All compartments should have the doors in the front and the doors of adjacent

    compartments should open in the opposite direction.

    BUSBARS:

    1.27 The bus bar should be of electrolytic Aluminium conductor as per IS 5082 and

    should be supported in FRP (fiber glass reinforced polyester) insulators.

    Necessary test certificates from NABL accredited lab shall be submitted.

    1.28 The bus bars should be designed to withstand fault level of 70kA RMS and 105

    kA peak for phase bus bars and 30 kA RMS and 60 kA peak for neutral bus bars

    for one second and should be housed in fully enclosed chamber with bolted

    cover. Type test certificate issued by CPRI in this regard shall be submitted.

    1.29 The bus bars shall be insulated with heat shrunk PVC sleeves with colour coding.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 5 / 24

    1.30 The clearances between bus bars shall be adequate enough in view of short

    circuit capacity of 70 kA and as per relevant IS/ IEC .

    1.31 Bus bars shall be of uniform cross section throughout the length of the

    switchboard and shall be adequately supported and braced to withstand the

    stress due to the specified short circuit current.

    1.32 FRP shrouds shall be provided for joints and tap-off for main bus bar.

    EARTHING:

    1.33 An earth bus shall be extended throughout the length of the PMCC. Minimum

    size of earth bus shall be 40x10 mm GI or 30x10 mm for copper.

    1.34 Suitable arrangement shall be provided at each end of horizontal earth bus for

    bolting to Client’s earthling conductor.

    METERING & INDICATION LAMPS

    1.35 Both the incoming feeders shall be provided with 96 mm X 96 mm Digital

    Voltmeter and Ammeter within built selector switches.

    1.36 The panels shall also have suitable Current Transformers (accuracy class 0.5) for

    all the feeders as required.

    1.37 The PMCC shall be provided with communication capable Digital Multi-Function

    Meters (MFM) for all incoming and outgoing feeders which can indicate Voltage

    between phases, Between Phases and earth, Current in each phase, Active

    Power in each phase, Reactive power, Frequency , Harmonic distortion etc., with

    RS 485 communication port (L&T quasar make panel meter or equivalent

    Siemens or RISHAB 3430 make only).

    1.38 The panels shall be provided with LED type indication lamps for R, Y, B phases

    for all incoming feeders.

    1.39 All ACB feeders shall be provided with LED indication lamps for on, off, trip and

    spring charge status.

    1.40 All outgoing feeders shall have On, Off, trip indications of MCCBs and On and Off

    status of contactors

    OTHER SPECIFICATIONS

    1.41 The panels shall be designed for 415 V, A.C, three phases, four wire system.

    1.42 All the compartments shall be suitably labeled with removable engraved plates.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 6 / 24

    1.43 On receipt of order, the party shall submit detailed GA drawing with bill of

    materials for approval before taking up the panel fabrication.

    1.44 Cable entry shall be from bottom

    1.45 Barriers or shrouds shall be provided to permit safe working at the terminals of

    one feeder without accidentally touching the other live circuit / feeder.

    1.46 Necessary spreader links shall be provided at the switch gears and bus bars

    shall be extended to the cable chambers.

    CONTROL WIRING

    1.47 All control wiring shall be carried out with 660 V grade multi core cable Fire

    Retardant PVC wires of size min. 1.5 sq.mm

    1.48 Wiring shall be bunched and routed through cable alleys.

    1.49 Wiring shall be properly numbered with ferrules

    1.50 All control circuits shall be suitable protected for short circuits with independent

    MCBs.

    STANDARDS

    The PMCCs shall conform to the latest revisions of relevant Indian and

    International Standard some of which are listed below.

    1.51 IS 8623 : 1993 Specification For L.V. Switchgear & Control gear Assemblies:

    (Part I)

    1.52 IS 2705: 1992 Current Transformers

    1.53 IEC 60947 Low-voltage switchgear and control gear

    SITE CONDITIONS & NETWORK PARAMETERS

    • Rated Voltage : 415 Volts AC

    • Rated Frequency : 50 Hz

    • Fault level : 70kA

    • Ambient Temperature : 45°C

    • Neutral Earthing : Solidly grounded

    • Control voltage : 240V AC

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 7 / 24

    INSPECTION

    1.54 The panel shall be offered for inspection before dispatch. High Voltage test,

    insulation resistance measurement, dimensional checks, control wiring etc., as

    per Indian Standard will be carried out at the time of inspection. The party shall

    arrange all the test equipments in this regard.

    OTHER TERMS & CONDITIONS

    1.55 PMCC shall be guaranteed for a period of 18 months from the date of supply or

    12 months from the date of commissioning whichever is earlier.

    1.56 On receipt of order, the party shall submit the GA drawing, control circuit and

    foundation drawings for our approval before commencing the fabrication work.

    1.57 The supplier shall provide three sets of hard copy and one set of soft copy of

    Operation and maintenance manual of the panels having maintenance manual of

    switchgears, power and control circuit diagram etc.

    1.58 The supplier shall provide adequate no., of operating handles and castle keys

    1.59 Delivery schedule is as follows

    Delivery Schedule

    S NO Description Preferred time by Department

    Compliance or Revised time as required by supplier

    01 Submission of all drawings Within two weeks from the date of release of PO

    02 Approval of Drawings by Department

    Within two weeks from the above task

    03 Manufacturing Within 08 weeks from the above task

    04 Intimation of readiness for inspection

    Minimum 15 days in advance by supplier

    05 Inspection at works by Department

    Within two weeks on receipt of inspection call

    06 Delivery to site Within two weeks after clearance from inspection team

    10 Total completion of the order 16 weeks

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 8 / 24

    The above delivery schedule is the maximum period. Early delivery schedule is preferred.

    1.60 Our payment terms are as follows

    Supply Cost

    a. Maximum of 30 % advance after issue of confirmed PO and subject to providing PBG as acceptable to Department to this effect

    b. 70 % within 30 days on receipt and acceptance of items at our site with all taxes and transportation costs

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 9 / 24

    ANNEXURE I

    Schedule of quantities G-24 AC Plant

    S No Description of Feeder Rating Qty

    1 Incomer ( with communication capable Auto Source transfer controller)

    1250 A, 4P, ACB 02 nos.,

    2 Bus coupler 1250 A, 4P, ACB 01 nos.,

    Out goings

    3 Chiller Units 1 to 7 ( Each 120 KW)

    500 A, 3P, MCCB 07 nos.,

    4 For other loads 63 A 3PMCCB 02

    5 For other loads 32 A 3P MCCB 03

    Motor feeder having MCCB, Starters etc.,

    6 Primary and secondary pumps ( Each 9.3 KW)

    63 A MCCB & Star Delta Starter

    10 nos.,

    CTR AC plant S No Description of Feeder Rating Qty

    1

    Incomer With communication capable Auto Source transfer switch(ASTS)

    400 A, 4P, MCCB With 400 A ASTS

    02 nos.,

    Out goings

    2 Chiller Units 1 to 3 ( Each 45 KW)

    200 A, 3P, MCCB

    03 nos.,

    3 Pumps ( Each 5.5 KW)

    32 A, 3P, MCCB Star Delta Starter

    03 nos.,

    4 AHUs ( Each 15 KW)

    32 A MCCB & Star Delta Starter

    02 nos.,

    5 CT fan (1.5 KW )

    32 A MCCB with DOL starter

    03

    6 Heaters ( each 10 KW) 32 A MCCB with DOL Starters

    04

    7 For other loads 63 A 3P, MCCB 02

    8 For other loads 32 A 3P, MCCB 02

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 10 / 24

    Satellite Cooling AC plant Part I S No Description of Feeder Rating Qty

    1 Incomer ( with communication capable Auto Source transfer controller)

    800 A, 3P, ACB 02 nos.,

    Out goings

    2 For other loads 63 A 3P MCCB 02

    3 For other loads 32 A 3P MCCB 02

    4 Chiller Units 1 to 3 ( Each 131 KW)

    500 A, 3P, MCCB 03 nos.,

    5 De-humidifier 1 to 2 ( Each 93 KW)

    400 A, 3P, MCCB 03 nos.,

    Motor feeder having MCCB, Starters etc.,

    6 Primary and secondary pumps ( Each 5.5KW)

    32 A MCCB & Star Delta Starter

    05 nos.,

    Satellite Cooling AC plant Part II S No Description of Feeder Rating Qty

    1 Incomer (with Auto Source transfer controller)

    800 A , 3P ACB 02 nos.,

    Out goings

    2 Compressor units 1 to 5 (Each 112 KW)

    500 A, 3 P MCCB 05 nos.,

    Motor feeder having MCCB, Starters etc.,

    3 Chilled water pumps 1 to 5 ( Each 15 KW)

    100A, 3P, MCCB Star Delta Starter

    05nos.,

    4 Condenser water pumps 1 to 5 ( Each 11 KW)

    63 A, 3P, MCCB Star Delta Starter

    05nos.,

    5 CT fan (5.5 KW )

    32 A MCCB with DOL starter

    04 nos.,

    6 For other loads 63 A 3PMCCB 02

    7 For other loads 32 A 3PMCCB 02

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 11 / 24

    ANNEXURE II

    Specification of ACBs

    1. Circuit breakers shall be air break, draw out type that is bus side & outgoing

    power and control connections shall be through draw out contacts. Suitable

    guides shall be provided to facilitate easy withdrawing of the circuit breaker. All

    identical feeder compartments shall be interchangeable.

    2. The ACBs shall be operated with mechanical as well as electrical using

    pushbuttons with closing and opening coils.

    3. All ACBs shall have communication ports so that the ACBs can be operated

    through SCADA. SCADA is NOT in the scope of work. Else suitable

    communication modules and accessories shall be installed for remote operation

    through SCADA.

    4. The circuit breakers shall be provided with 6NO + 6NC spare auxiliary contacts,

    wired and available for Owner’s use.

    5. The breaking capacity shall be minimum 65 KA.

    6. All ACB`s shall have Ready to Close indicator to ensure easy start-up and safe

    switching.

    Protection

    7. ACBs shall have micro processor based protection release .The ACB shall be

    equipped with an integral self powered microprocessor based LSING protection

    release, which works on true R.M.S values for ensuring accurate protection.

    8. Bus coupler ACB need not have protection release.

    9. Release shall have PROFIBUS ,Modbus and Zigbee communication facility

    10. Integral Test facility to test healthiness of release and the trip circuitry shall be

    provided on the release.

    11. Trip indicators shall be provided to display the exact nature of fault (i.e. O/L,

    S/C, and E/F) that caused tripping of circuit breakers.

    12. The trip indication shall need no external power supply for display.

    13. The ACBs shall have trip and event recording.

    14. The incoming 1 & 2 and bus coupler shall have both electrical as well as

    mechanical interlocks.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 12 / 24

    The setting range of protection release shall be as follows:

    15. Overload protection shall have adjustable setting from 40% to 100% of the

    circuit breaker nominal current and the variation of setting shall be in steps of

    5% of the nominal current.

    16. Short time delayed short circuit protection will have adjustable current setting

    from 125% to 1200% of the nominal Current rating of the circuit breaker and

    adjustable time delay setting for fault discrimination from 0-400ms.

    17. Short Circuit protection shall have standard phase failure protections for motor

    application with the delay time of 20 ms.

    18. Instantaneous short circuit protection shall be either fixed type with Fault current

    pick-up – 20 times or settable type with a range of setting of 150% - 1200% of

    the nominal Current of the circuit breaker.

    19. .Earth fault protection will have adjustable current setting in absolute values.

    20. The adjustable time delay setting for tripping on earth fault shall be within 100 –

    400ms. Also there should be provision to disable the Earth Fault Protection if

    required.

    21. .Neutral Protection shall be provided for 3P as well as 4P ACB. The Neutral

    protection shall be dependent on the phase current and typical protection range

    shall be either 50% or 100%.

    22. It shall be possible to change the release settings on-line

    23. Shall have inbuilt metering to indicate voltage, current, % loading, power,

    energy & harmonics

    24. Touch screen system to provide ease of navigation

    25. Ocillographs to display pre and post fault current and voltage

    26. Shall have features for Zone Selective interlock, Trip circuit Supervision and

    Restricted earth fault.

    27. Shall have in built electrical and mechanical anti- pumping

    28. Shall confirm to IS / IEC 60947-2 7 IEC 60947-2

    29. The release shall have rating DIP switch facility to ensure complete protection

    even when the system is partially loaded i.e., reduce the rated current of the

    ACB.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 13 / 24

    ANNEXURE III Specifications of MOULDED CASE CIRCUIT BREAKERS (MCCBs)

    1. The MCCB shall have minimum breaking capacity of 65kA with microprocessor

    based release.

    2. MCCBs shall be actuated operating handle that clearly indicates the three

    positions: ON, OFF and TRIPPED.

    3. The MCCB should be have a trip-free mechanism that ensures the trip process

    is not prevented even if the operating mechanism is blocked or manually held in

    the “ON” position.

    MCCBs shall have

    4. Over load ( phase & neutral ) short circuit and earth fault protection with time

    delay. Necessary CT in neutral shall also be provided to enable earth fault

    feature

    5. Comprehensive current, power and energy metering.

    6. Provision for thermal memory defeat

    7. Modbus RTU and Bluetooth protocol

    8. True RMS sensing and ,Push to trip button

    9. Self-powered.

    10. The possible setting for various protection shall be as follows

    Over load ( Phase ) :

    Current : 40 to 100 % insteps of 1 %

    Time delay : 0.5 to 30 sinsteps of 0.1s

    Protection mode : On/ Off

    Preset trip / alarm setting : 50% to 90 % in steps of 1 %

    Thermal memory : Enable / Disable

    Over load ( neutral )

    Current : 50 to 90 % insteps of 1 %

    Time delay : 0.5 to 30 sinsteps of 0.1s

    Protection mode : On/ Off

    Preset trip / alarm setting : 50% to 90 % in steps of 1 %

    Thermal memory : Enable / Disable

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 14 / 24

    Short circuit & instantaneous

    Current : 1.5 to 8 % insteps of 0.1

    Time delay : 100, 200, 300, 400 ms

    Protection mode : On/ Off ( only for short circuit )

    Preset trip / alarm setting : 50% to 90 % in steps of 1 %

    Earth fault

    Current : 10 to 50 % insteps of 5 %

    Time delay : 100 ms to 500 ms insteps of 50 ms

    Protection mode : On/ Off

    Necessary neutral CT shall be provided.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 15 / 24

    ANNEXURE IV

    LIST OF APPROVED PANEL BUILDERS

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 16 / 24

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 17 / 24

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 18 / 24

    ANNEXURE V

    LIST OF APPROVED MAKES OF SWITCHGEARS

    Sl.no Item Makes 1 Air Circuit Breaker ( ACB) Siemens/ L&T/Schneider/ABB / GE /

    Legrand / C&S Eleectric

    2 Moulded case Circuit Breaker Siemens/ L&T/Schneider

    3 Auto source transfer controller L & T / Siemens / Schneider / Crompton greaves

    4 Auto source transfer switch Socomec / GE / Emerson / APC ( Scheider) / Reillo AROS/ Piller / epi

    5 Current / Voltage transformer Siemens/ Kappa/ Nippen /Paras /

    Intrans / AE / Neutronics

    6 Relays Siemens/ L&T

    7 Digital Meters/ Multifunction Meters

    Same as of ACB

    8 Indicating Lamps Siemens/ L&T or equivalent

    9 Alluminium Bus Bar Indal/ Hindalco

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 19 / 24

    ANNEXURE VI Specifications of Auto source transfer control panel

    01. The auto source controller panel shall house the auto source controller and one

    set of 16 A Mechanically interlocked contactor with 2 NO + 2 NC

    02. The panel shall be made of 1.2 mm sheet steel

    03. This panel will be used in conjunction with two HT VCB panels. The intended

    purpose is to automatic switch on the 2nd feeder when the power / abnormal

    conditions of power occur in the 1st feeder and vice versa.

    04. All the wires shall be brought to terminal block

    05. Necessary software to communicate with auto source controller shall be

    supplied and demonstrated.

    06. The parties shall enclose the auto source transfer controller catalogues along

    with their quote.

    07. The specifications of auto source controller is listed below

    FEATURES

    • Automatic/ manual control of power supply source.

    • Set-up data programming.

    • Virtual front panel viewing with key activation feature.

    • Analog modern /GSN modern support.

    • Programmable I/OS.

    • Test function.

    • LED Test indication.

    • Voltage and Frequency display.

    GENERAL CHARACTERISTICS

    • Rated Auxiliary power supply:220-230-240 VAC or 12-24-48 VDC.

    • Voltage transformer (PT) programming.

    • Phase to phase voltage measure inputs :80---800VAC

    • TRMS Voltage measure

    • Frequency measure of both sources :45….65HZ

    • 2 display for voltage and frequency measure viewing.

    • 8 digital programmable inputs and 7 programmable relay outputs.

    • RS 232 / Rs 485 interface.

    • Plug in removable terminal connections.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 20 / 24

    OPERATIONAL CHARACTERISTICS

    • Supported Applications(Utility /Utility, Utility/gen-set and gen-set/gen-set)

    • Control capability. Choice of single, two , three phase lines ,with or without

    neutral.

    • Single enable control on the line:

    Phase loss or failure , phase sequence ,min &max voltage ,asymmetry and min

    and max Frequency.

    • Statistical logging .

    • Event logging with time and date entry :

    Source of automatic transfer control automatic controls, manual control

    incomplete transfer control, operating mode change, and set up data variations

    • Data and event storage in non volatile Ferro magnetic memory.

    • PC or Key pad setup.

    • Modbus –RTU and Modbus ASCII communication protocols.

    • Analog modem /GSN modem support.

    • Programmable automatic gen set test

    PROGRAMMABLE FUNCTIONS

    • Automatic test.

    • Transfer strategy

    • Gen-set starting super vision.

    • Two generator rotation.

    • Principal line selection.

    • Non –priority loads disconnection.

    • Before and after transfer indication.

    • EJP(Effacement Jour Pointe-special energy tariff) signal supervision.

    The source controller shall be of makes L & T / Siemens / Schneider / Crompton

    greaves only

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 21 / 24

    ANNEXURE VII

    Specifications of Automatic and remotely operated Transfer Switches (ATS)

    01. Rated Current : 400 A

    02. Rated Voltage : 415 V AC ,3 Phase , 4 wire

    03. Utlisation Category : AC 32 B

    04. No. Of poles : 4 poles

    With following features / accessories

    05. Watch dog relay

    06. Positive break indication

    07. Confirming to IEC 60947-6-1

    08. Manual emergency control with handle

    09. Auto / Manual integral key selector

    10. Transfer of power from one source to other based on parameters settable on

    site

    11. Mains/ Mains or Mains / Gen set transfer

    12. Dual power supply

    13. Software for enabling / configuring the parameters

    14. With Communication module Ethernet communication with RS 485 Modbus

    gateway

    15. Recording of events with time stamping and power measurement.

    16. Web server function to access the ATS by entering IP address.

    17. Mechanical durability : Minimum 8000 cycles

    18. Switching time

    a. I to II or II to I : 1.3 s max.

    b. I – 0 – 0 – II : 0.85 s max.

    c. Duration of electrical blackout : 0.6 s max.

    19. With terminal shrouds

    20. Bridging bars

    21. Aux contacts 1 NO/ NC for each position

    22. Remote display unit with connection cable of 3m.

    23. With accessories required for energy management

    24. Make : Socomec / GE / Emerson / APC ( Scheider) / Reillo AROS/ Piller / epi

    ONLY. The party shall enclose product catalogues along with the quote.

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 22 / 24

    ANNEXURE VIII

    Typical control circuit diagram for DDC Control of DOL starter

    Note:

    1. Similar wiring can be implemented for STAR- DELTA starter also and the potential

    free contacts for status shall be taken from DELTA contactor N.O. points only.

    2. This diagram is ONLY tentative. Minor modifications will be asked during drawing

    approval

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 23 / 24

    ANNEXURE IX

    Technical Compliance Statement shall be duly filled and submitted without fail

    S NO Description Compliance Yes / No

    1 Scope of work as per tender specifications

    2 Construction as per tender specifications

    3 Bus bars as per tender specifications

    4 Earthing as per tender specifications

    5 Metering and indication lamps as per tender

    specifications

    6 Control wiring as per tender specifications

    7 Confirming to standards as per tender

    specifications

    8 Inspection as per tender specifications

    9 ACBs, MCCBs, ASTC and ASTS as per tender

    specifications

    Mention the Model no., and enclose relevant

    catalogues with quote without fail

    10 List of approved makes as per tender

    specifications

    11 Confirming to List of Approved panel builders

    12 Delivery schedule as per tender document

    ( Format shall be duly filled and submitted )

    13 Payment terms as per tender document

    14 Compliance to the entire specification. If not

    bring out the deviations in separate sheet

  • Supply of 04 nos., of Power cum Motor Control Centres (PMCC) for AC plants. SDSC SHAR , ISRO, Sriharikota

    SHAR/CMD/2018 00 8982 Page no 24 / 24

    ANNEXURE X

    Price Bid Format

    Mention as quoted with % of taxes applicable and upload along with Technical bid.

    Fill up the amounts and upload as price bid.

    Amounts if erroneously mentioned in the technical bid will lead to rejection of the bid itself.

    # DESCRIPTION Qty Rate / Unit Total cost

    1.0 Supply of PMCC panel

    a G24 AC plant 01

    b CTR AC plant 01

    c Satellite AC plant Part I 01

    d Satellite AC plant Part II 01

    2.0 Taxes at the rate of ___ %

    3.0 Subtotal s.no (1.a to 1.d) + 2.0

    4.0 Packing , Forwarding and freight charges

    Lumpsum

    5.0 Taxes at the rate of _____ %

    6.0 Subtotal ( S.no.4.0. and 5.0)

    7.0 Any other Cost (mention the details)

    8.0 Taxes at the rate of _____ %

    9.0 Subtotal ( S.no.7.0. and 8.0)

    10.0 Grand Total (S.no., 3.0 + 6.0 + 9.0)