Interested to Buy Any Domain ? << Click Here >> for more details...
Why Nutral CT rating for Earth Fault Protection of Transformer neutral shall be 20% of Full load Current of Transformer
- 2 Answers
- 4986 Views
- I also Faced
- E-Mail Answers
Answer Posted / k.prakashchandra
CT rating is the same as that of line CTs .Only the relay
setting for earth fault is 20 % of OCR
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
how to select proper cable for ct wiring so that drop within the limit.
Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?
what is laser diodes?
What is pole of the system?
what is the value of combined earthing in general electrical circiut?
1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?
Both generator parallel condition shared load equally but one genrator taking ampere more than the other what are all the causes to make like this
DG SET BLOCK DIGRAM
following are the questions asked in interviews: 1) Considering the short circuit fault, which switchgear is preferable, SFU OR MCCB? Which operates faster? whicg one is popular in Indian Market and why? 2)Define SCPD. What is type2 coodination? 3)Why the contactor rating is higher for the fuseless selection than for fuse selection? whether the ratinf of SFU or MCCB remains the same in both the cases? 4)If the HP rating is known then can you calculate the ratings of L.V Switchgear(SFU/MCCB, contactor, OLR) without using the selection chart?
How much load can take a 16 mm aluminum cable 3 phase
The metal-enclosed switchgear and controlgear is subdivided into three types: 1. metal-clad switchgear and controlgear; 2. compartmented switchgear and controlgear 3. cubicle switchgear and controlgear. What is the main differnence between them. State some example.
What is the unit audit? if our Max demand is something and we found much more unit then how to improve our max demand?
What is the breaking capacity of transformer and how can we calculate the breaking capacity of tranformer
-What should be minimum value of insulation resistance and maximum value of earth resistance at any electrical instillation and what is method of testing the same.
You are of electrical field and you are going for software? Why
