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9170700990 Rev D
BE1-60 General Information
1-1
SECTION 1
•
GENERAL INFORMATION
INTRODUCTION
The BE1-60 Voltage Balance Relay provides a high-speed response to block other devices from incorrect
operation resulting from a blown fuse or other fault in a potential transformer circuit. The BE1-60 detects
these conditions, initiates corrective action, and indicates the problem and location.
Equipment benefiting from BE1-60 protection includes overcurrent relays (voltage controlled or voltage
restrained types), impedance measuring relays, synchronizing relays, voltage regulators, and static
excitation systems.
APPLICATION
In the typical application shown in Figure 1-1, a generator is equipped with a static exciter and is
protected by voltage controlled or voltage restrained time-overcurrent relays and other devices.
52
POWER
POTENTIAL
TRANSFORMER
SHUTDOWN
CONTACTOR
POWER
INPUT
CKT 1
BE1-60
CKT 2
SENSING
INPUT
STATIC
EXCITER
SENSING
POTENTIAL
TRANSFORMER
GEN
BE1-51/27C
OR
BE1-51/27R
60
FIELD
D2817-15
07-14-98
Figure 1-1. Typical Application of BE1-60 Relay
Содержание BE1-60
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