Can we operate a DG Set in paralell with Transformer ?
Answers were Sorted based on User's Feedback
Answer / ekanadam naik
yes we ca operate dg set with transfer but voltage and
freqency must be matched, with help of PLC,
Is This Answer Correct ? | 20 Yes | 3 No |
Answer / a. venkatesh
All the power source it may be transformer or Alternator
(DG-DC power generator).
For parellel operation synchronisation is important. I.E
Voltage level, frequency, phase angle should be equal for
the both sources.
For checking the synchronisation previously DARK LAMP
METHOD was used. Now a days special relays used for this
purpose. Relays MES 120(Schneider), 7UT relays in Siemens.
Is This Answer Correct ? | 4 Yes | 0 No |
Answer / sangram
yes, we can Theoretically do it. we want to use aditional
relay and some equipments like Reversepower relay, DF/DT.
Is This Answer Correct ? | 2 Yes | 0 No |
Answer / meka sekhar
theoretically DG can be operated parallelly with
transformer as long as voltage, frequqncy, phase angle are
within limits. However, in industrial practice, only
momentarily paralleling will be done between DG &
transformer. Sometimes if they want to check loading of DG,
it can be paralled with transformer so that it will not
affect loads which are connected to bus.
Is This Answer Correct ? | 0 Yes | 0 No |
Answer / sangram patil
Yes, called as synchronizsation of DG & EB of both. for
this parallel operation we want to concentrate on Voltage,
Frequency & Phase angle of both of equal.
and for Auto loading & Autobalancing we want to use
Woodward, C&S OR scnhider make relay.
Is This Answer Correct ? | 0 Yes | 1 No |
Answer / ram
no dg set can not be connected with x-mer DG can not give
constant freq.
Is This Answer Correct ? | 2 Yes | 9 No |
plz explain TSM and PSM.with example suppose ct ratio is 4000/5 and tsm is .15 and plug is at 3.75 if fault current is 8000A.so how i find relay oprating time.
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