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ProtectionKind

Class Description

The kind of protection being provided by this protection equipment.

Attributes

NameTypeDescription
AUTO_TRANSFORMERA device used to regulate the voltage of transmission lines and can also be used to transform voltages.
DISTANCEA 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.
FREQUnder frequency
FREQGOver frequency
GROUND_CURRENTA device used to monitor and protect electrical equipment from damage caused by ground faults
GROUND_VOLTAGEA device used to detect contact accidents between an electric path and ground caused by arc ground faults
J0Ground overcurrent
J0GGInstantaneous ground overcurrent
J2GNegative-sequence overcurrent
JDIFFDifferential Current
JGOvercurrent
JGGInstantaneous
JGGGInstantaneous
JTThermal overload
LELoad encroachment
MULTI_FUNCTIONA multifunctional relay for universal usages
NEGATIVE_OVERCURRENTA device used to protect generators from the unbalanced load by detecting negative sequence current.
NETWORK_PROTECTORIs a special self-contained air breaker or switching unit having a full complement of current, potential and control transformers, as well as relay functionality.
POWERA device that uses an electromagnet to open or close a circuit when the input (coil) is correctly excited
SECTIONALIZERA device that automatically isolates a faulted section of line from the rest of the distribution system
SEFSensitive earth fault
UNKNOWNUnknown
V0GZero-sequence overvoltage
V0GGInstantaneous zero-sequence overvoltage
VGOvervoltage
VGGInstantaneous overvoltage
VLUndervoltage
VLLInstantaneous
Z0LGround distance
ZLPhase distance

Relationships

Ancestors

No ancestor classes

Descendents

No descendent classes

Associations

None