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ǰλãҳ > PCS-978G变压器成套保护装置调试大纲设?- 百度文库

PCS-978G变压器成套保护装置调试大纲设?- 百度文库

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ʵñ׼ĵ

IJ

ѹࡢѹ3 Ia=3*1.569A=4.707A0

Iu= 3*4.944*1.732=25.689A180 Iu= 3*4.944=14.832A ʼ󣬱װʾΪ0ƶΪ3IeIaIb

İȫ

ʵñ׼ĵ

岽̬ֹͣ飻

Ir21?2mi?1?mIi?12?8.607?25.689???1.5694.944*1.732???4.2428 ??Id2?i?1?Ii?8.60725.689??2.4857

1.5694.944*1.732İȫ

ʵñ׼ĵ

:ڶƶϵ

IK?Izdd2r2?Id1?Ir1?2.4857?1.1472?0.5015

4.2428?1.5736r2ע⣺У

I,Ir10.5Ie?Ir?6Ie

顱˵

4гƶ

4.1. ֵѹ

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ʵñ׼ĵ

1 ֵ гƶϵ ֵ Χ 0.050.3

λ ֵ 0.15 1 2  гƶ ʽ 01 01 0 ѹ

ֵ 1 1 1 ѹ ѹ巽ʽ 01 ˳ѹ ѹ״̬ 1 GOOSEѹȫ1

SVѹͶ롰ѹSVѹ塱ѹSVѹ塱ѹSVѹ塱SVѹ塱SVѹ˳

4.2. Է

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ʵñ׼ĵ IJ ѹࡢѹ3 Ia=3*1.569A=4.707A0 Iu= 3*4.944*1.732=25.689A180 Iu= 3*4.944=14.832A ʼ󣬱װʾΪ0ƶΪ3IeIaIb İȫ ʵñ׼ĵ 岽̬ֹͣ飻 Ir21?2mi?1?mIi?12?8.607?25.689???1.5694.944*1.732???4.2428 ??Id2?i?1?Ii?8.60725.689??2.4857 1.5694.944*1.732İȫ ʵñ׼ĵ <

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