why circuit breaker closing time is always higher then
tripping / opening time.
- 13 Answers
- 44558 Views
- United Phosphorus, I also Faced
- E-Mail Answers
Answer Posted / master
Closing time of the CB is 50 to 55 m.sec
Opening time is 35 to 40 m.sec
short opening time is minimizing the fault effect like arc
| Is This Answer Correct ? | 7 Yes | 1 No |
Post New Answer View All Answers
for opening electrical shop, tips needed.
The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current
What happen Grid EARTH plat got cut.
IF ANYONE HAVE ANY QUESTION ASK ME AT MY MAIL anmol.bhardwaj5@gmail.com
How does a digital electronic meter work??????
What is the rotor frequency of 10 Hp 1440 RPM 50HZ 415V ?
how to find three phase complex power in per unit and MVA?
What are m circles?
What is kvar?
Hi everyone, I'm Lachuu, recently joined automation company as PLC Engineer. I have certain basic question, I request all big gurus and seniors to answer these question. Because this will be very helpful to me as well starters like me. How to design a control circuit (ex: pick & place - my current project) Yamaha robot PxYx series controller RCX222, using 6 cylinder double acting, plc keyence kv p16r 2 expansion unit for input and output each. How to select panel terminal mcb elcb powersupply. My main concern in some projects how to select dc power supply, mcb rcb(I came across dif bt b c d curves, but stil confusing, pls help me :-(. I would really appreciate all who are going respond to this question.
Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.
Hi, My plant daily consumption is calculated as 3.8MWH but my supplier has sanctioned an power of 2.6MW per day. how can i equal or distinguish this two factors
State thevenintheorem?
What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )
When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt
