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Why current transformers are used after circuit breakers?
Current transformers are used to supply a ratio of the current flowing through the breaker to equipment such as protective relays and meters. If the CTs are used for protection, they are placed around a breaker to provide different, ideally overlapping, zones of protection.
Kwh chage if CT ratio change?
Usually rating of CTs within 50- 80 percent. Of the maximum load current of the consumer does no change
How can you connect current transformer to ammeter in three phase?
You use three CTs, one per line conductor, each feeding a separate ammeter,
What happens when two circuit breakers are parallel?
There are 3 cases in C.B. paralleling: 1. Both Circuit breakers of same current ratings with same time settings. 2. Both circuit breakers of different current ratings 3. Both Circuit breakers of same current ratings with different time settings. Case1: Any of the C.B.trips (depending on CT characteristics as no two CTs' can have same characteristics) Case 2. The one with lower current ratings would trip first. Case 3: The one with lower time settings would trip earlier.
What is class PS in current Transformer?
PS is a special class of protection transformer used in differential protection schemes. The CT is specified by what is known as the knee point (that is the point at which the CT saturates). Because they are specified using the knee point, two separate CTs will have the same characteristics. These matched CTs won't introduce measurement error during through faults on differential protection schemes.
What would make the CTS transmission change hard?
I carried my 2004 CTS back to dealer, they said they had to reset the computer. It made mine change right.
How do you replace windshield wiper switch on a 2003 Cadillac CTS?
How do I change the wiper seitch on 2003 cts cadilac
How do you change a 2006 Cadillac cts air filter?
If it is the 3.6 motor then there are two phillips screws on the air box, unscrew these (they don't actually come out, just loosen) and then pull out the old air filter. Reassemble in reverse order
How do you change the welcome name on 2003 cadillac cts?
Did you ever find how to change the name on the welcome screen on your cts? I am having the same problem. Thnks, Alicia6138@AOL.COM
When do you change your spark plugs in your 2003 Cadillac CTS?
Recommended change is 100,000 miles
How do you change a blinker bulb for 2004 cts?
front or rear?
How much air pressure does a 2003 Cadillac CTS get?
30 psi
Where is the cabin air filter located in a 2005 Cadillac cts -v?
The cabin air filter on a 2005 Cadillac CTS-V is located below the glove compartment. It can be accessed via a panel for replacement.
Why current transformers are used after circuit breakers?
Current transformers are used to supply a ratio of the current flowing through the breaker to equipment such as protective relays and meters. If the CTs are used for protection, they are placed around a breaker to provide different, ideally overlapping, zones of protection.
How do you change headlight on Cadillac cts?
You have to remove from bumper and splash gaurd just to change bulb,thats crazy
How do you change the time on a 2007 cts Cadillac?
well really you cant change it the people that made them only change them like one or twice a year
How do you change coil packs on a 2004 Cadillac CTS?
remove the upper intake then lower. might change plugs and wires as well
