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SIP
Swirl Injection Principle ()
SIP
:
Camshaft Driving chain casing
()
:
1.:0.2MPa
2.
3.
4.
swirl injection port.
ALPHA LUBRICATOR SYSTEM
ALPHA
:
1. Pump station 40-50 bar Alpha Lubricator
2. MCU Lubricator
3. lubricator
(feedback signal) (LED )
4. angle encoder (No.1
TDC ) Alpha
Lubricator System
5. injection
frequency (specified feed rate)
6. (fuel index) (speed) Injection
frequency (MEP)
power mode RPM mode
7. injection frequency / rpm lubricator stroke MCR (100%) (basic cylinder oil feed rate 0.8 g/BHPh)
8. MHI panel60%200%100%
9. MCU (Master Control Unit) MHI panel
10. MCUBCU (Backup Control Unit) (Auto)MHI panel BCU
11. BCURPM modetimingBCU injection frequencybasic cylinder oil feed rate 50% (150%)
Alpha lubricator system
ALPHA
1.
Pump station and starter panels
tankPump station starter panel 2 NFBTank 40-6070
Lubricator Unit
lubricator unit2 lubricator (98-70 2 1 )lubricator 25-30 bar accumulator1.5 bar accumulator
lubricator 3-6 lubricating piston (ITAL LAGUNA 10
lubricating quilllubricator 5 )1 feed back pickup 1
Alpha Lubricator Control Unit (ALCU)
(1) MCU (Master Control Unit)
(2) BCU (Backup Control Unit)
(3) SBU (Switch Board Unit)
DC 24V UPS NFBUPS Uninterrupted Power Supply ()
30
Load transmitter
Load transmitter fuel rack fuel index % MCUMCU load transmitter rpm engine load
Trigger system (Shaft encoder)
Shaft encoder (Angle
encoder) crankshaft (No.1 TDC)terminal box computer panelengine crankshaft angle encodertrigger ring tacho pickupscrankshaft Angle encoderterminal box
Backup trigger system
Backup trigger
system 2 tacho pickuprpm BCUrpm MCUpickup 2
Human Machine Interface (HMI) panel
HMI panel () booster pumppre-lubricationHMI 3 bar graphEngine speedIndex Oil pressure
Engine speed Index bar graph fuel index ( mep%) 0120%100% MCR
Oil pressure bar graph0 ~ 100 bar
Alpha lubricator system
ALPHA
2.
Booster pump Unit
Lubricator Unit
Alpha Lubricator Control Unit(ALCU)
Load transmitter
angle encoder
backup trigger system
non-return valve
Human Machine Interface (HMI) panel
angle encoder (270~310 )ALCU MCU (Master Control Unit) Lubricator unit booster pump
Lubricator unitlubricator unit1 accumulator 2 lubricator2 2 accumulator
booster pump 45 bar lubricator unit actuator pistonActuator piston plunger25 bar plunger
(A & B) (1)lubricator unit feed back sensor (feed back sensor proximity switchlubricator piston)feed back indicator MCR 4
lubricator accumulatoraccumulator 5 injection nozzle with non-return valve5
A 5 1~5B 5 6~1010 1-6-2-7-3-8-4-9-5-105 Injection nozzle with non-return valve non-return valve injection nozzle with non-return valve A & B
Alpha lubricator system MCR (100% load 100% rpm) 0.80g/BHPhbasic feed rateHMI panel F.rAtE100 (%)100 Alpha ACC F.rAtE100100100 MCR 0.8
Master Control Unit Lubricator No.1 (270~310 25 bar MCU BCU (BackupControl Unit) BCU rpm random timingNo.1
Alpha lubricator system Alpha Adaptive Cylinder oil Control (Alpha ACC)
MCR load basic cylinder oil feed rate 0.8 g/BHPh0.6 g/BHPh
Part-load control mean cylinder pressure 25% load engine speed
Alpha ACC -lubricator systemAlpha ACCAlpha&ACC Adaptive Cylinder oil dosage Control
maker Alpha ACCAlpha ACC
3.2% 100%basic cylinder oil feedrate 0.8 g/BHPh3.2%0.5 g/BHPh,Alpha ACC -lubricator = 0.25 g/BHPh x S %
3.2% HMI setting 100 (
0.80 g/BHPh)2.8%F.rAtE100 88
(0.70 g/BHPh)
rpm pickupfuel index MCUloadLoad ()load 0.80g/BHPh (-lubricator F.rAtE100% )-lubricator F.rAtE125%0.80 x 125% = 1.00
1Alpha lubricator system MCR (100% load 100% rpm) 0.8 g/BHPhrpmfuel index A & B rpm load -lubricator 0.80 g/BHPh
2Alpha Lubricator System HMI panel rE.inj
(3~6)maker 44 Basic feed rate rpm fuel index MCR 0.80g/BHPhrE.injA & BA B (5 )rE.inj = 4MCR (104.0 rpm x 55890ps)A & B 44 MCR
1. MCR -lubricator 100% (0.80)
Rev./Inj = 4
(1) 1 A 5
(2) 2 B 5
(3) 3 & 4 A & B
(4) 4 (1) ~ (3)