We have Desalter unit in our plant. When it is off line and available for maintenance. I want to discharge the positive and negative electrodes (within the vessel) to ground, for safe working on bushing entrance assembly. My question is does this comply with NFPA standards or any other...
Dear Gents,
We have following thyristor control panel from CD Automation srl
MULTIDRIVE-3PH Thyristor Unit 1100A – 1400A 1700A-1900A-2100A
It is operating to a fuel gas heater (manufactured by Fati srl. 400V, 50HZ, 700KW, 1011.6A). It is working perfect. only the problem we are noticing...
Could you please guide me that
I have LV transformer Star connected.
Only 3-phase are going to panel.
Star point(Neutral bus) of TR is only solidly grounded.
Panel has neutral bus BUT empty (No cables), No Ground.
Reason not being using Neutral is completely balanced load (4-Motors DOL and...
Dear All,
We have two Regeneration Heaters at our Nitrogen Plant, one stay in operation and the other in stand-by mode.these heaters are used to heat waste Nitrogen above 200 deg.C and exhaust into the atmosphere. We opened Electrical Connection Box of the one heater(Already in stand-by mode...
Dear All,
One of our plant motor has recently Burnt. It was newly installed and within 8-months even not being in continuous operation (Operating in duty cycle on/off).
Motor rating: 400Vac 50Hz 36A 18.5KW 1465rpm Cos phi 0.84
The operating conditions for this motor were same as of original...
Dear All,
Could you please mentioned the actual reason of the following false tripping of two healthy feeders due to a single line to ground fault on the adjacent feeder.
Details are as follows: on
All three feeders are being fed from the same bus 6.6KV. Just adjacent to each other like...
