4-20 W650 Wind Generator Protection System GEK-113032A
4.1 ENERVISTA 650 SETUP SOFTWARE INTERFACE 4 HUMAN INTERFACES.
4
Table 4–10: PROTECTION ELEMENTS INCLUDED
PHASE
CURRENT
Phase TOC High Phase time overcurrent, high level (51PH)
Phase TOC Low Phase time overcurrent, low level (51PL)
Phase IOC High Phase instantaneous overcurrent, high level (50PH)
Phase IOC Low Phase instantaneous overcurrent, low level (50PL)
Phase Directional Phase directional unit (67P). Quadrature Voltage for polarization
NEUTRAL
CURRENT
Neutral TOC Neutral time overcurrent (51N)
Neutral IOC Neutral instantaneous overcurrent (50N)
Neutral Directional Neutral directional unit (67N). Voltage, current and dual polarization.
GROUND
CURRENT
Ground TOC Ground time overcurrent (51G)
Ground IOC Ground instantaneous overcurrent (50G)
Ground Directional Ground directional unit (67G). Voltage, current and dual polarization.
SENSITIVE
GROUND
CURRENT
Sensitive Ground TOC Sensitive ground time overcurrent (51SG)
Sensitive Ground IOC Sensitive ground instantaneous overcurrent (50SG)
Sensitive Ground
Directional
Sensitive ground directional unit (67SG)
NEGATIVE
SEQUENCE
CURRENT
Negative Sequence
TOC
Negative sequence time overcurrent (46P)
VOLTAGE
ELEMENTS
Phase UV Phase undervoltage (27P)
Phase OV Phase overvoltage (59P)
Neutral OV High Neutral overvoltage, high level (59NH)
Neutral OV Low Neutral overvoltage, low level (59NL)
Auxiliary OV Auxiliary overvoltage (59X)
Auxiliary UV Auxiliary undervoltage (27X)
Voltage Unbalance Voltage unbalance (60V)
POWER
Directional Power Directional power (32), in primary values.
To Next Page
Loading...
