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Over-excitation protection relays
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The SIPROTEC 7RW80 is a numerical, multi-function relay for connection to voltage transformers. It can be used in distribution systems, on transformers and for electrical machines. Features If the SIPROTEC Compact 7RW80 detects any ...
The RMQ-121D is an overexcitation relay that is used to protect the generator against overexcitation. This function hinders the generator from producing extremely high currents in situations where massive inductive loads occur. The RMQ-121D ...
Current Differential and Voltage Relay The SEL-387E Current Differential and Voltage Relay provides protection to two- or three-winding power transformers. Voltage inputs for power metering, overexcitation protection, and over-/underfrequency ...
PCS-9671 is a compact numerical relay for two-winding transformers. It can be utilized for reactor or stub-bus current differential protection. It also can be used to protect reactors or implemented as a stub current differential protection ...
NR Electric
The IEC 61850 station bus embedded T-PRO relay provides complete 3-phase multi-winding transformer fault and overload protection, DFR-quality fault oscillography, sequence of event logging, trend recording, in a fully integrated protective ...
AQ-G357 is a generator protection IED for any size of synchronized machines. It integrates a full range of generator protection functions along with variety of additional functions for control, measurement, monitoring and communications. Highlights • ...
Tripping current: 8 A
Overexcitation controls from KUHSE are used to increase the starting force of actuating solenoids. Consequently the attraction time is minimized automatically. Individual solutions can be supplied according to the customers´ request. ...
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