why does chattering take place in ac contactors?
can it be avoided & what care does the manufacturer take to
eliminate this phenomenon????
Answer Posted / harish - greenesol
chattering occurs due to many conditions:
1. due to loose contact
2. dust contents
3. new product will not get contact very quickly but after some periodic operation it will be rectified.
4. under coil rating e.t.c
so major is no 4 & 2 this shall be taken care by manufacturer
| Is This Answer Correct ? | 13 Yes | 11 No |
Post New Answer View All Answers
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
Which type of transformer is used for lighting loads?
Earth bits close or open. Which is correct
What is earth?
Draw the DOL starter and star delta starter drawing?
how to select energy meter? have any calculation?
How to justify this statement ??? "Capacitors in series provide less capacitance but higher voltage breakdown rating for the combination"
How to know th details about an electrical Drawing ? Please mention the easy method.
what is the physical connection of a analog i/p to a analog i/p module (ab plc)and through a analog o/p module(ab plc) to a analog o/p . and how all the process control by scada
How many types oil using in transformer ? How many letars using in transformer..?
what is the purpose of shading ring or shading coil in electrical equipments.
Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?
in Telecom DC system-why positive +ve is made earthed.and - ve is fed to load.
How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?
the winding of Generator and Motor is star or in delta ? and why