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  • Users: gentech
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  1. gentech

    Suitable replacement for a Caterpillar DVR

    I am looking for a less complex analog replacement for a Cat DVR which drives a 450 kW SR4B alternator. I will be using a Woodward Easygen control and don't want/need the added complexity of the DVR. Does anyone have any recommendations? Thanks.
  2. gentech

    Directional Current Relay Trip

    This is my first experience with this type of relay and its application. When attempting to parallel two 2500 kVa 9kV/380 V transformers via low voltage bus ties the 67 on the incoming bus operates approximately 1 second following breaker closure. Each bus operates under load when not...
  3. gentech

    I am in the process of investigatin

    I am in the process of investigating a cooling system problem in a 2000 KW diesel generator set. The generator set consumes belts in less than 150 hours. I have found a few issues that are problematic(drive undersized, poor sheave mounting, sheave to small). I can't however get the fan curve or...
  4. gentech

    Certification For Technicians

    My organization is looking into third party certification for our Electric Power Generation Technicians and Substation Maintenance Technicians. Is anyone aware of any? What is your opinion of their people and their certification programs?
  5. gentech

    Transformer sizing for motor starting

    What size transformer is necessary to full voltage start a 75 hp, 460v induction motor for a propeller fan? Must I use the motor nameplate locked rotor amps to size the transformer? The only load on this transformer is this motor.
  6. gentech

    Radiator Requirements For Diesel Engine

    I am in the process of investigating a cooling system problem in a 2000 KWe diesel generator set. The generator set consumes belts in less than 150 hours. I have found a few issues that are problematic(drive undersized, poor sheave mounting, sheave to small). I can't however get the fan curve or...
  7. gentech

    corner grounded delta.

    I was just curious as to how common these systems are. We sent a generator out for rental and the customer requested a delta connected 120/240 3 phase output. The particular unit we had available(based on the customers kw needs) could not be connected 120/240 delta. Because his needs were...

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