
BW – Bandwidth
DPDT – Double Pole Double Throw
IDMT – Inverse Definite Minimum Time
MIDI – Musical Instrument Digital Interface
RCD – Residual Current Device
SRIM – Slip Ring Induction Motor
PCB – Printed Circuit Board
MMF – Magnetomotive Force
LDR – Light Dependent Resistor
IEEE – Institute of Electrical and Electronics Engineers
IEE – Institution of Electrical Engineers
TF – Transfer Function
AVR – Automatic Voltage Regulator
SF6 – Sulphur Hexafluoride
LVDT – Linear Variable Differential Transformer
TPST – Triple Pole Single Throw
THD – Total Harmonic Distortion
ACB – Air Circuit Breaker
UPS – Uninterruptible Power Supply
VCB – Vacuum Circuit Breaker
NCT – Neutral Current Transformer
GDT – Gas Discharge Tube
ATS – Automatic Transfer Switch
HVDC – High Voltage Direct Current
HVAC – High Voltage Alternating Current
AWG – American Wire Gauge
DAC – Digital to Analog Converter
ADC – Analog to Digital Converter
GFDI – Ground Fault Detector Interrupter
TTL – Transistor Transistor Logic
VCO – Voltage Controlled Oscillator
BJT – Bipolar Junction Transistor
UJT – Unijunction Transistor
PMSM – Permanent Magnet Synchronous Motor
CFL – Compact Fluorescent Lamp / Compact Fluorescent Light
HPF – High Power Factor
LPF – Low Power Factor
GBP – Gain-Bandwidth Product
FM – Frequency Modulation
AM – Amplitude Modulation
KCL – Kirchhoff’s Current Law
KVL – Kirchhoff’s Voltage Law
LMS – Load Management System
MDB – Main Distribution Board
NER – Neutral Earth Resistors
SSR – Solid State Relay
NO – Normally Open
NC – Normally Closed
AFC – Automatic Frequency Control
PWM – Pulse Width Modulation