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  1. bedane

    neutral connection in generator set paralleling

    Hello I am planning to connect the neutral of the entire three synchronized cat 608 kva similar generator set on the common ground bus bar (the ground will also be connected to the bus bar) without any neutral- grounding contactor (this is because I am using 3 pole contactors for the main...
  2. bedane

    incompatiable avr changing

    thankyou all I have replaced the avr and it is working well. best regards
  3. bedane

    incompatiable avr changing

    hi all i am planning to change an obsolete stamford avr (series 3 part number 450-11700) with datakom product avr 8 automatic voltage regulator for old 250 kva cummin generator set. this is because we need the generator working as soon as possible and we dont have the compatiable avr at...
  4. bedane

    Minimum Contactor Closing Time for Generator Synchronization

    thank you all i also believe too that if the frequency is closely matched that will not be a problem. consider it with the manual synchroscope if the frequencies match good enough then the rotation of the needle on the synchroscope will be slow then when the automatic synchronize r tries to...
  5. bedane

    Minimum Contactor Closing Time for Generator Synchronization

    Dear all I have a 1600 ampere electrical contactor which I plan to use for automatic generator synchronization using datakom automatic synchronizing module. The manual says the closing time of the contactors is between 40ms-80ms. But I have read on some synchronizing manual it says the closing...
  6. bedane

    motor starting problem with generator

    Dear all thankyou so much for your fast and good answers. based on your suggestions i have told the technicians there at the site to do some of the suggestion you gave me and when we tried to increase the time on the timer we have found out the engine stops after the voltage and frequency drops...
  7. bedane

    motor starting problem with generator

    hi all we have installed 130 kw motor with a star -delta starting system to be driven by 280 kva new generator.but when we test the motor with the gen-set . the motor starts to run but the engine will stop running when the delta contactor closes.( with out the generator breaker tripping ), the...
  8. bedane

    Caterpillar C18 Engine sychronization

    thanks i have decided to use the caterpillar analog speed to pwm converter to synchronize the gen_sets. best regards
  9. bedane

    Caterpillar C18 Engine sychronization

    Hi all I am trying to synchronize three C18 caterpillar generators with emcp 3.1 control modules by the DKG-707 multi generator set paralleling unit .I choose this paralleling unit because I have used it to synchronize Cummins generators and I do have the controller now. But I haven’t...

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