CHAPTER 4: INTERFACES, SETTINGS & ACTUAL VALUES 4.1 ENERVISTA 650 SETUP SOFTWARE
GEK-106310-AF F650 DIGITAL BAY CONTROLLER 4-21
Firmware version 7.50 and above also include Frequency and Miscellaneous menus in the Protection Element section.
Phase OV Phase overvoltage (59P)
Neutral OV High Neutral overvoltage, high level (59NH)
Neutral OV Low Neutral overvoltage, low level (59NL)
Negative Sequence OV Negative sequence overvoltage (47)
Auxiliary OV Auxiliary overvoltage (59X)
Auxiliary UV Auxiliary undervoltage (27X)
Power
Forward Power Forward power (32FP), in primary values.
Directional Power Directional power (32), in primary values.
Watt Gnd Flt High Wattmetric ground fault high (32N High), in secondary values
Watt Gnd Flt Low Wattmetric ground fault low (32N Low), in secondary values
Frequency
Underfrequency Underfrequency unit (81U).
Overfrequency Overfrequency unit (81O).
Frequency Rate of
Change
Frequency rate of change function (81R).
Miscellaneous
Broken Conductor Broken or fallen conductor detection function (I2/I1). Grouped element.
Ratio between the negative sequence current, I2, and the positive sequence current I1.
In normal and ba
lanced load situations, this ratio is zero, while in severe load fault
conditions, an unbalance is produced and this ratio is increased.
Locked Rotor Locked rotor detection function (48).
Load Encroachment Load Encroachment function.
To Next Page
Loading...