Electrical Abbreviations with Full Forms

 AACSR Aluminum Alloy Conductor Steel Reinforced

AC Alternating current

AH Ampere-Hour Capacity of Batteries

BJT Bipolar Junction Transistor

Cos θ Power factor.

DOL Direct-on-line starting of induction motors.

ELCB Earth Leakage Circuit Breaker

F, Hz Frequency

GND Ground

IC Integrated circuit

ICTP Iron Clad Triple Pole

IG Isolated Ground

IGBT Insulated-gate Bipolar Transistor

kV, Ku Kilo-volts.

kVA Kilo-volt-amperes.

kVAr Reactive kilo-volt-amperes.

KVL Kirchhoff’s Voltage Law

kW Kilowatts.

KWH Kilo Watt Hour

LCD Liquid-crystal display

LDB Lighting Distribution Board

LDR Light Dependent Resistor

LED Light emitting diode

LV Low voltage, 50 to 600 volts

LVDT Linear Variable Differential Transformer

L1, L2, L3, N Notation for line and neutral voltages and currents.

mA Current in milli-amperes

MCB Miniature circuit breaker.

MCC Motor control center

MCCB Moulded case circuit breaker

MESFET Metal-Semiconductor Field-Effect-Transistor

MMF, mmf Magneto-motive force

MPPT Maximum Power Point Tracking

OpAmp Operational Amplifier

PCB Printed circuit board

PCC Point of common connection, Power Control Centre

PLC Programmable logic controller

PV PhotoVoltaic

PVC Polyvinyl chloride

RCCB means Residual Current Circuit Breaker

RFID Radio Frequency Identification

SF6 Sulphur hexafluoride

SI System International of Unit’s

SONAR SOund NAvigation and Ranging

SWG Standard Wire Gauge

VFDP Variable Frequency Drive Panel

XO Crystal Oscillator

Z Electrical impedance

ZH Zero halogen, as used for cables

ZVC Zero voltage crossing

ZVS Zero voltage switching