what is meaning of sympathetic tripping with respect to
relays and give the values for current carrying capacities
for copper and aluminium cables from 16sq mm to 500sq mm
- 1 Answers
- 4360 Views
- I also Faced
- E-Mail Answers
Answer Posted / jaimini soni
Sympathetic trips are undesirable relay operations for
unbalanced- or high-load conditions which
occur during or immediately following out-of-section
faults. The root cause of the sympathetic
trip problem is the type and connection of loads served by
distribution feeders. There are two
classifications of sympathetic trips: those which occur due
to delayed voltage recovery
conditions, and those which occur due to the load unbalance
during an out-of-section fault.
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
Write a note on Treatment for electric shock.
Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?
which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing
Earth leakage relay basic knowledge principle
what is efficient motors and how it is different from normal induction motors
What is pd controller?
11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?
can u give me a brief idea about power line carrier communication ??
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason
give me applications of sequence bridges . (used in 3 phase un balanced systems)
induction 3 phase motor terminal connection
how to calculate power consumption in slip ring motor at different step
why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??
