what will happen if the secondary of current transformer
kept open....
Answer Posted / max
as CT is connected in series, the if the sec side kept open
high value of the current on te primary side will saturate
the core which might be irrversible and in addition voltage
level at sec side will be very high resulting saftey issues
| Is This Answer Correct ? | 22 Yes | 3 No |
Post New Answer View All Answers
What is sensitivity of a measurement?
what is excitation/
in 1-phase 230v,how in 3-phase 440v. in each phase in between 230v.
A 500 V shunt motor runs at its normal speed of 250rpm when the armature current is 200A. The resistance of the armature is 0.12 Ω. Calculate the speed when a resistance is inserted in the field reducing the shunt field to 80% of normal value and the armature current is 100A.
Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir
DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT
oltc of a transformer, how it works? and what are the equipment consist of describe briefly?
What are the advantages of autotransformer?
what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?
what's the difference between 'shaft power demand' and 'BHP' , when we consider electrical load list.
Is a d.c.compound motor is use as a booster? how?
what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?
How can eliminate noise problem inside temperature controller temp. variation due to contactor chattering problem.
In our plant we have installed new MCC with ELR and CBCT which is detecting some leakage current in the system but it leading to some confusion when to check that in which feeder which is drawing current we put off the whole panel itself but still CBCT detecting some leakage current so can anybody ans me , where i am going wrong or how to detect whether its actual leakage or CBCT malfunctioning.
oil cooled transformer