Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Recent content by Gwhiz

  1. Gwhiz

    How to determine voltage pull down and duration during motor start?

    I have a motor with the following characteristics: 2400 V, 1500 HP, 320 FLC, 1920 LRC used for a boiler feed pump in a coal fired generation planct. How can I determine the value that the supply voltage will be pulled down to and how long it will last when the motor starts? Thanks in advance...
  2. Gwhiz

    Setting Bus Undervoltage Relay

    After reading the other threads on the subject, I still have not come to a definitive answer on how to solve this particular problem. I am working on some settings for a relay upgrade at one of our coal fired power plants. This requires the replacement of the undervoltage relay on the...
  3. Gwhiz

    GSU Relaying Questions

    I am upgrading the relaying at one of our generating stations from the old GE BDD15 to a pair of new Beckwith M-3310 relays. I want to take advantage of its features other than differential. The transformer is rated at 145MVA 14.4/69 kV and connected in a delta wye configuration. The generator...

Part and Inventory Search