EasyManuals Logo
Home>GE>Relays>P642

GE P642 User Manual

GE P642
592 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #152 background imageLoading...
Page #152 background image
B
175/175 /30 MVA
230/115 /13.8 kV
YNynd1
Phase & amplitude
Correction
+
Zero sequence filtering
BB
D
BB
D
BB
D
Phase & amplitude
Correction
+
Zero sequence filtering
A
C
Protected
zone
a
b
c
P643
V03117
Phase & amplitude
Correction
+
Zero sequence filtering
B
B
B
+5% / -15%
19 taps
1200 :5
1200 :5
HV
LV
1200 :5
Figure 54: P643 used to protect an autotransformer with unloaded delta winding
Set the following parameter
s in the SYSTEM CONFIG column:
Setting in GROUP 1 SYSTEM CONFIG Value
Winding Config HV+LV+TV
Winding Type Auto
HV CT Terminals 001
LV CT Terminals 100
TV CT Terminals 010
Ref Power S 175.00 MVA
Ref Vector Group 0
HV Connection Y-Wye
HV Grounding Ungrounded
HV Nominal 230.0 kV
HV Rating 175.00 MVA
% Reactance 10.00%
LV Vector Group 0
LV Connection Y-Wye
LV Grounding Ungrounded
LV Nominal 230.00 kV
LV rating 175.00 MVA
Chapter 6 - Transformer Differential Protection P64x
128 P64x-TM-EN-1.3

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the GE P642 and is the answer not in the manual?

GE P642 Specifications

General IconGeneral
BrandGE
ModelP642
CategoryRelays
LanguageEnglish

Related product manuals