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Ansi triping band for 250VDC system

Ansi triping band for 250VDC system

Ansi triping band for 250VDC system

(OP)
Dear all,
What is ANSI tripping band voltage for 250VDC system.

I know that ANSI tripping band voltage for 125VDC system is 70V to 140V. but do not know tripping band for 250VDC system.

I am working in 145kV ABB breakers which has tripping system of 250VDC.

is there any way, any link,  where I can get this information.


Thanks in advance

RE: Ansi triping band for 250VDC system

pukar12345,

For Closing function of Indoor  CBs= 200-280 V DC
For Closing function of Outdoor CBs= 180-280 V DC
For Opening function of all types of CBs= 140-280 V DC
 

RE: Ansi triping band for 250VDC system

(OP)
Kiribanda,

Thank you for the information very much valuable to me.


Pukar12345

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