ProtectionKind
Class Description
The kind of protection being provided by this protection equipment.
Attributes
Name | Type | Description |
---|---|---|
AUTO_TRANSFORMER | A device used to regulate the voltage of transmission lines and can also be used to transform voltages. | |
DISTANCE | A device used to detect faults on long-distance lines, pinpointing not only the fault condition but also measuring the distance between the current sensing mechanism and the fault location in the wire. | |
FREQ | Under frequency | |
FREQG | Over frequency | |
GROUND_CURRENT | A device used to monitor and protect electrical equipment from damage caused by ground faults | |
GROUND_VOLTAGE | A device used to detect contact accidents between an electric path and ground caused by arc ground faults | |
J0 | Ground overcurrent | |
J0GG | Instantaneous ground overcurrent | |
J2G | Negative-sequence overcurrent | |
JDIFF | Differential Current | |
JG | Overcurrent | |
JGG | Instantaneous | |
JGGG | Instantaneous | |
JT | Thermal overload | |
LE | Load encroachment | |
MULTI_FUNCTION | A multifunctional relay for universal usages | |
NEGATIVE_OVERCURRENT | A device used to protect generators from the unbalanced load by detecting negative sequence current. | |
NETWORK_PROTECTOR | Is a special self-contained air breaker or switching unit having a full complement of current, potential and control transformers, as well as relay functionality. | |
POWER | A device that uses an electromagnet to open or close a circuit when the input (coil) is correctly excited | |
SECTIONALIZER | A device that automatically isolates a faulted section of line from the rest of the distribution system | |
SEF | Sensitive earth fault | |
UNKNOWN | Unknown | |
V0G | Zero-sequence overvoltage | |
V0GG | Instantaneous zero-sequence overvoltage | |
VG | Overvoltage | |
VGG | Instantaneous overvoltage | |
VL | Undervoltage | |
VLL | Instantaneous | |
Z0L | Ground distance | |
ZL | Phase distance |
Relationships
Ancestors
No ancestor classes
Descendents
No descendent classes
Associations
None