Mostly used list of Abbreviations in Electrical Engineering

Mostly used list of Abbreviations in Electrical Engineering .Are you an electrical engineering student, professional, or enthusiast? Then you must have encountered various abbreviations and acronyms in the field of electrical engineering. Understanding these list of Abbreviations in Electrical Engineering is mandatory in communicating and working in the industry.

Electrical engineering is a branch of engineering that deals with the study of electricity, electronics, and electromagnetism. This field is full of technical terms and abbreviations that can be overwhelming for those who are not familiar with them.

In this post, we have compiled a list of mostly used list of abbreviations in electrical engineering that will help you to communicate and understand better in the field.

Mostly used list of Abbreviations in Electrical Engineering

If you’re an electrical engineer or just interested in the field, you know that electrical engineering is full of technical terms and list of Abbreviations in Electrical Engineering that can be confusing for those who are not familiar with them.

In this post, we have compiled a list of mostly used abbreviations in electrical engineering that will help you to communicate and understand better in the field.

AC – Alternating Current

DC – Direct Current

RMS – Root Mean Square

FPGA – Field-Programmable Gate Array

DSP – Digital Signal Processing

PFC – Power Factor Correction

EMI – Electromagnetic Interference

EMC – Electromagnetic Compatibility

MOSFET – Metal-Oxide-Semiconductor Field-Effect Transistor

PID – Proportional Integral Derivative

FPGA – Field-Programmable Gate Array

PWM – Pulse Width Modulation

IGBT – Insulated Gate Bipolar Transistor

VLSI – Very Large Scale Integration

HVDC – High Voltage Direct Current

FPGA – Field Programmable Gate Array

MEMS – Micro-Electro-Mechanical Systems

I/O – Input/Output

ESD – Electrostatic Discharge

FPGA – Field-Programmable Gate Array

CT – Current Transformer

PT – Potential Transformer

EMC – Electromagnetic Compatibility

VFD – Variable Frequency Drive

UPS – Uninterruptible Power Supply

SNR – Signal-to-Noise Ratio

THD – Total Harmonic Distortion

ADC – Analog-to-Digital Converter

DAC – Digital-to-Analog Converter

FPGA – Field-Programmable Gate Array

LVDT – Linear Variable Differential Transformer

ACB – Air Circuit Breaker

MCCB – Molded Case Circuit Breaker

MCB – Miniature Circuit Breaker

RCBO – Residual Current Breaker with Overcurrent Protection

GFCI – Ground Fault Circuit Interrupter

VFD – Variable Frequency Drive

EER: Energy Efficiency Ratio

EMS: Energy Management System

FET: Field-Effect Transistor

FMEA: Failure Modes and Effects Analysis

GFCI: Ground Fault Circuit Interrupter

HMI: Human-Machine Interface

IEC: International Electrotechnical Commission

IP: Ingress Protection

ISO: International Organization for Standardization

LCR: Inductance-Capacitance-Resistance

LV: Low Voltage

MCB: Miniature Circuit Breaker

NEMA: National Electrical Manufacturers Association

PIR: Passive Infrared

PLC: Programmable Logic Controller

PWM: Pulse Width Modulation

RFID: Radio-Frequency Identification

RTD: Resistance Temperature Detector

SCR: Silicon-Controlled Rectifier

SPD: Surge Protective Device

SWG: Standard Wire Gauge

TCR: Temperature Coefficient of Resistance

TDR: Time Domain Reflectometer

THD: Total Harmonic Distortion

TRS: Tip-Ring-Sleeve

VAR: Volt-Ampere Reactive

VFD: Variable Frequency Drive

VSWR: Voltage Standing Wave Ratio

WDG: Winding Temperature Detector

ADC: Analog-to-Digital Converter

AGC: Automatic Gain Control

Amp: Amplifier

AWG: American Wire Gauge

CMRR: Common Mode Rejection Ratio

FET: Field Effect Transistor

FFT: Fast Fourier Transform

GFCI: Ground Fault Circuit Interrupter

I/O: Input/Output

KVA: Kilovolt-Ampere

PTC: Positive Temperature Coefficient

SSR: Solid State Relay

SWR: Standing Wave Ratio

TDR: Time Domain Reflectometer

THD: Total Harmonic Distortion

TR: Transformer

VFD: Variable Frequency Drive

VOM: Volt-Ohm-Meter

ADC: Analog-to-Digital Converter

AWG: American Wire Gauge

CAD: Computer-Aided Design

CRO: Cathode Ray Oscilloscope

DC: Direct Current

DMM: Digital Multimeter

FPGA: Field-Programmable Gate Array

H-bridge: A type of electronic circuit used to control the direction of a motor

IR: Infrared

LED: Light Emitting Diode

LVDT: Linear Variable Differential Transformer

MMIC: Monolithic Microwave Integrated Circuit

MOS: Metal Oxide Semiconductor

MPPT: Maximum Power Point Tracking

PLL: Phase Locked Loop

PWM: Pulse Width Modulation

RFID: Radio Frequency Identification

RF: Radio Frequency

RTD: Resistance Temperature Detector

SMT: Surface Mount Technology

SPI: Serial Peripheral Interface

SRAM: Static Random Access Memory

SSD: Solid State Drive

TEC: Thermoelectric Cooler

UART: Universal Asynchronous Receiver/Transmitter

USB: Universal Serial Bus

VCO: Voltage Controlled Oscillator

VGA: Video Graphics Array

VHDL: VHSIC Hardware Description Language

VLSI: Very Large Scale Integration

VR: Voltage Regulator

Zener: Zener Diode

ZigBee: A type of wireless communication protocol.

AC/DC – Alternating Current/Direct Current

kV – Kilovolt

mA – Milliampere

MVA – Megavolt-Ampere

kVA – Kilovolt-Ampere

kW – Kilowatt

MW – Megawatt

F – Farad

Hz – Hertz

N – Newton

V – Volt

VA – Volt-Ampere

PF – Power Factor

THD – Total Harmonic Distortion

PCB – Polychlorinated Biphenyl

GFCI – Ground Fault Circuit Interrupter

IGBT – Insulated Gate Bipolar Transistor

MOSFET – Metal-Oxide-Semiconductor Field-Effect Transistor

TRIAC – Triode for Alternating Current

MCU – Microcontroller Unit

PWM – Pulse Width Modulation

PID – Proportional Integral Derivative

CTI – Comparative Tracking Index

RTD – Resistance Temperature Detector

TC – Thermocouple

OLED – Organic Light Emitting Diode

MCB – Miniature Circuit Breaker

RCCB – Residual Current Circuit Breaker

MCCB – Moulded Case Circuit Breaker

ELCB – Earth Leakage Circuit Breaker

PPE – Personal Protective Equipment

ESD – Electrostatic Discharge

EMC – Electromagnetic Compatibility.

THD – Total Harmonic Distortion

VAR – Volt-Ampere Reactive

VFD – Variable Frequency Drive

PCC – Power Control Center

GFCI – Ground Fault Circuit Interrupter

EMI – Electromagnetic Interference

EHV – Extra High Voltage

DSO – Digital Storage Oscilloscope

CT – Current Transformer

CB – Circuit Breaker

AVR – Automatic Voltage Regulator

CTPT – Combined Current and Potential Transformer

COP – Coefficient of Performance

BIL – Basic Insulation Level

ARC – Audio Return Channel

APFC – Automatic Power Factor Correction

AMI – Advanced Metering Infrastructure

AI – Artificial Intelligence

ZS – Zero Sequence

YD – Y-Δ Transformations

VSWR – Voltage Standing Wave Ratio

UPS – Uninterruptible Power Supply

UHV – Ultra High Voltage

TRV – Transient Recovery Voltage

T&D – Transmission and Distribution

SLD – Single Line Diagram

RCCB – Residual Current Circuit Breaker

PFC – Power Factor Correction

HRC – High Rupturing Capacity

EMC – Electromagnetic Compatibility

ELCB – Earth Leakage Circuit Breaker

DOL – Direct On-Line

DIN – Deutsches Institut für Normung (German Institute for Standardization)

CSD – Current Source Drive

CPT – Capacitive Potential Transformer

BIL – Basic Impulse Level

AVR – Automatic Voltage Regulation

APFC – Automatic Power Factor Correction

ACB – Air Circuit Breaker

ABT – Availability Based Tariff

EMF – Electromotive Force

RLC – Resistor-Inductor-Capacitor

SCADA – Supervisory Control and Data Acquisition

IGBT – Insulated Gate Bipolar Transistor

VFD – Variable Frequency Drive

DMM – Digital Multimeter

LCR – Inductance-Capacitance-Resistance

NEMA – National Electrical Manufacturers Association

FET – Field-Effect Transistor

GFCI – Ground Fault Circuit Interrupter

MCB – Miniature Circuit Breaker

MCCB – Molded Case Circuit Breaker

ESD – Electrostatic Discharge

EMI – Electromagnetic Interference

EMC – Electromagnetic Compatibility

DFT – Discrete Fourier Transform

FFT – Fast Fourier Transform

AGC – Automatic Gain Control

ATC – Automatic Temperature Compensation

DSO – Digital Storage Oscilloscope

PID – Proportional Integral Derivative

NTC – Negative Temperature Coefficient

PTC – Positive Temperature Coefficient

SPDT – Single Pole Double Throw

DPDT – Double Pole Double Throw

VSWR – Voltage Standing Wave Ratio

LNA – Low-Noise Amplifier

SMA – SubMiniature version A

MOSFET – Metal-Oxide-Semiconductor Field-Effect Transistor

TTL – Transistor-Transistor Logic

LVDT – Linear Variable Differential Transformer

RTD – Resistance Temperature Detector

THD – Total Harmonic Distortion

EER – Energy Efficiency Ratio

VRMS – Voltage Root Mean Square

ARMS – Amperes Root Mean Square

IEC – International Electrotechnical Commission

PT: Potential Transformer

VFD: Variable Frequency Drive

GFCI: Ground Fault Circuit Interrupter

SPD: Surge Protective Device

AFCI: Arc Fault Circuit Interrupter

EMI: Electromagnetic Interference

EMC: Electromagnetic Compatibility

PWM: Pulse Width Modulation

PID: Proportional Integral Derivative

DSP: Digital Signal Processing

FPGA: Field Programmable Gate Array

CPLD: Complex Programmable Logic Device

ASIC: Application Specific Integrated Circuit

MEMS: Micro-Electro-Mechanical Systems

SAR: Successive Approximation Register

Op-Amp: Operational Amplifier

BJT: Bipolar Junction Transistor

FET: Field Effect Transistor

TRIAC: Triode for Alternating Current

AWG: American Wire Gauge

VSWR: Voltage Standing Wave Ratio

Q-factor: Quality Factor

THD: Total Harmonic Distortion

LC: Inductor-Capacitor

LCR: Inductor-Capacitor-Resistor

HVDC: High Voltage Direct Current

HVAC: High Voltage Alternating Current

LVDT: Linear Variable Differential Transformer

RTD: Resistance Temperature Detector

TC: Thermocouple

ESD: Electrostatic Discharge

TOF: Time of Flight.

NEMA – National Electrical Manufacturers Association

IEEE – Institute of Electrical and Electronics Engineers

IEC – International Electrotechnical Commission

HV – High Voltage

LV – Low Voltage

VFD – Variable Frequency Drive

MOSFET – Metal Oxide Semiconductor Field Effect Transistor

Diode – Semiconductor Diode

Transistor – Bipolar Junction Transistor

Op-Amp – Operational Amplifier

ADC – Analog to Digital Converter

DAC – Digital to Analog Converter

ESD – Electrostatic Discharge

EMC – Electromagnetic Compatibility

THD – Total Harmonic Distortion

RMS – Root Mean Square

PFC – Power Factor Correction

UPS – Uninterruptible Power Supply

SMPS – Switch Mode Power Supply

SNR – Signal to Noise Ratio

FFT – Fast Fourier Transform

FIR – Finite Impulse Response

IIR – Infinite Impulse Response

CMOS: Complementary Metal-Oxide-Semiconductor

LED: Light-Emitting Diode

LCD: Liquid Crystal Display

PLL: Phase-Locked Loop

VFD: Variable Frequency Drive

UPS: Uninterruptible Power Supply

EMI: Electromagnetic Interference

EMC: Electromagnetic Compatibility

RFI: Radio Frequency Interference

IC: Integrated Circuit

ASIC: Application-Specific Integrated Circuit

FPGA: Field-Programmable Gate Array

DSP: Digital Signal Processor

MCU: Microcontroller Unit

EEPROM: Electrically Erasable Programmable Read-Only Memory

EPROM: Erasable Programmable Read-Only Memory

SRAM: Static Random-Access Memory

DRAM: Dynamic Random-Access Memory

ROM: Read-Only Memory

RAM: Random-Access Memory

USB: Universal Serial Bus

SATA: Serial Advanced Technology Attachment

PCIe: Peripheral Component Interconnect Express

HDMI: High-Definition Multimedia Interface

RF: Radio Frequency

GHz: Gigahertz

MHz: Megahertz

kV: Kilovolt

mA: Milliampere

Ohm: Ω (Unit of electrical resistance)

V: Volt

A: Ampere

F: Farad

H: Henry

dB: Decibel

W: Watt

VA: Volt-Ampere.

PFC: Power Factor Correction

PWM: Pulse Width Modulation

VFD: Variable Frequency Drive

SVC: Static Var Compensator

LDR: Light Dependent Resistor

MCB: Miniature Circuit Breaker

RCCB: Residual Current Circuit Breaker

RCBO: Residual Current Breaker with Overload Protection

MCCB: Molded Case Circuit Breaker

SPD: Surge Protection Device

NGR: Neutral Grounding Resistor

CTPT: Combined Current and Potential Transformer

VAR: Volt-Amp Reactive

OCP: Overcurrent Protection

OVP: Overvoltage Protection

ELCB: Earth Leakage Circuit Breaker

IPM: Intelligent Power Module

EMC: Electromagnetic Compatibility

HVDC: High Voltage Direct Current

LVDT: Linear Variable Differential Transformer

PID: Proportional-Integral-Derivative

CEMF: Counter Electromotive Force

IM: Induction Motor

PMSM: Permanent Magnet Synchronous Motor

BLDC: Brushless DC Motor

EMC: Electromagnetic Compatibility

EMI: Electromagnetic Interference

MEMS: Micro-Electro-Mechanical Systems

FPGA: Field-Programmable Gate Array

DAC: Digital-to-Analog Converter

DSP: Digital Signal Processor

FIR: Finite Impulse Response

IIR: Infinite Impulse Response

FFT: Fast Fourier Transform

DFT: Discrete Fourier Transform

MOSFET: Metal-Oxide-Semiconductor Field-Effect Transistor

LVDT: Linear Variable Differential Transformer

PTC: Positive Temperature Coefficient

PPE – Personal Protective Equipment

CMRR – Common Mode Rejection Ratio

EMI – Electromagnetic Interference

BJT – Bipolar Junction Transistor

FET – Field Effect Transistor

MOSFET – Metal-Oxide-Semiconductor Field-Effect Transistor

TRIAC – Triode for Alternating Current

MCU – Microcontroller Unit

FPGA – Field Programmable Gate Array

DSP – Digital Signal Processor

PWM – Pulse Width Modulation

PFC – Power Factor Correction

UPS – Uninterruptible Power Supply

HVDC – High Voltage Direct Current

MV – Medium Voltage

LV – Low Voltage

UPS – Uninterruptible Power Supply

SPDT – Single Pole Double Throw

DPDT – Double Pole Double Throw

PT – Potential Transformer

CT – Current Transformer

PFC – Power Factor Correction

THD – Total Harmonic Distortion

VA – Volt-Ampere

kVA – kiloVolt-Ampere

MW – Megawatt

VAR – Volt-Ampere Reactive

kVAR – kiloVolt-Ampere Reactive

MVAR – Megavolt-Ampere Reactive

LRA – Locked Rotor Amperes

FLC – Full Load Current

MCCB – Molded Case Circuit Breaker

MCB – Miniature Circuit Breaker

RCCB – Residual Current Circuit Breaker

GFCI – Ground Fault Circuit Interrupter

VFD – Variable Frequency Drive

HMI – Human Machine Interface

DCS – Distributed Control System

SCADA – Supervisory Control and Data Acquisition

PWM – Pulse Width Modulation

PFC – Power Factor Correction

MOSFET – Metal Oxide Semiconductor Field Effect Transistor

D/A – Digital to Analog

A/D – Analog to Digital

UPS – Uninterruptible Power Supply

EMI – Electromagnetic Interference

EMC – Electromagnetic Compatibility

THD – Total Harmonic Distortion

HVDC – High Voltage Direct Current

SVC – Static Var Compensator

SPC – Series Parallel Converter

CCM – Continuous Conduction Mode

DCM – Discontinuous Conduction Mode

ZVS – Zero Voltage Switching

ZCS – Zero Current Switching

FET – Field Effect Transistor

BJT – Bipolar Junction Transistor

SMPS – Switched Mode Power Supply

VFD – Variable Frequency Drive

VSI – Voltage Source Inverter

CSI – Current Source Inverter

MMC – Modular Multilevel Converter

H-bridge – Half Bridge

HVD – High Voltage Divider

LVD – Low Voltage Disconnect

I-V – Current-Voltage

VCE – Collector-Emitter Voltage

VEB – Emitter-Base Voltage

VCB – Collector-Base Voltage

IC – Integrated Circuit

PCB – Printed Circuit Board

GaN – Gallium Nitride

SiC – Silicon Carbide

FOC – Field-Oriented Control

DQ – Clarke Transformation

SV – Space Vector

CV – Constant Voltage

PTH – Plated Through Hole

SMD – Surface Mount Device

HEMT – High Electron Mobility Transistor

PCD – Printed Circuit Design

PTH – Plated Through Hole

SCR: Silicon Controlled Rectifier

GTO: Gate Turn-Off Thyristor

MCT: MOS-Controlled Thyristor

PWM: Pulse-Width Modulation

VFD: Variable Frequency Drive

DC: Direct Current

AC: Alternating Current

AC/DC: Alternating Current/Direct Current

SMPS: Switch-Mode Power Supply

PFC: Power Factor Correction

EMI: Electromagnetic Interference

EMC: Electromagnetic Compatibility

HVDC: High Voltage Direct Current

LDO: Low Drop-Out Voltage Regulator

SEPIC: Single Ended Primary Inductor Converter

ZVS: Zero Voltage Switching

ZCS: Zero Current Switching

APFC: Active Power Factor Correction

DPF: Digital Power Factor Correction

PFC: Power Factor Controller

ESD: Electrostatic Discharge

DSP: Digital Signal Processor

FPGA: Field-Programmable Gate Array

ASIC: Application-Specific Integrated Circuit

PDP: Plasma Display Panel

OLED: Organic Light-Emitting Diode

LCD: Liquid Crystal Display

VCO: Voltage-Controlled Oscillator

PLL: Phase-Locked Loop

DLL: Delay-Locked Loop

ADC: Analog-to-Digital Converter

DAC: Digital-to-Analog Converter

OPAMP: Operational Amplifier

BJT: Bipolar Junction Transistor

JFET: Junction Field-Effect Transistor

SMD: Surface-Mount Device

DIP: Dual In-line Package

SOIC: Small Outline Integrated Circuit

TO-220: Transistor Outline – 220

TO-247: Transistor Outline – 247

SOT: Small Outline Transistor

EMI: Electromagnetic Interference

NTC: Negative Temperature Coefficient

PTC: Positive Temperature Coefficient

SMT: Surface-Mount Technology

EMC: Electromagnetic Compatibility

RPM – Revolutions Per Minute

HP – Horsepower

kW – Kilowatt

VA – Volt-Ampere

CCA – Cold Cranking Amps

SOC – State of Charge

SOH – State of Health

NMC – Nickel Manganese Cobalt

LFP – Lithium Iron Phosphate

SLA – Sealed Lead Acid

AGM – Absorbent Glass Mat

VRLA – Valve Regulated Lead Acid

NiMH – Nickel Metal Hydride

LiFePO4 – Lithium Iron Phosphate

SC: Short-circuit

NR: No-load resistance

ICC: Internal circuit current

BEMF: Back electromotive force

VAC: Volts Alternating Current

VDC: Volts Direct Current

FMM: Field magnetomotive force

FLD: Field

ARM: Armature

A: Amperes

Ohm: Unit of Resistance

P: Power

V: Voltage

N: Speed of rotation

LRA: Locked rotor amperes

RLA: Rated load amperes

ODP: Open drip-proof

TEFC: Totally enclosed fan cooled

WYE: Star connection

DELTA: Delta connection

SRBP: Synthetic resin-bonded paper

DPDT: Double pole double throw

SPDT: Single pole double throw

THD: Total harmonic distortion

MCQ: Multiple choice question

G: Conductance

R: Resistance

C: Capacitance

L: Inductance

S: Apparent power

P: True power

Q: Reactive power

PF: Power factor

ESR: Equivalent series resistance

DCR: DC resistance

C-Rate: Charge or discharge rate

BMS: Battery management system

SOC: State of charge

SOH: State of health

CCA: Cold cranking amperes

AH: Ampere-hour

VRLA: Valve regulated lead acid

NiCd: Nickel-cadmium

NiMH: Nickel-metal hydride

Li-ion: Lithium-ion

SLA: Sealed lead acid

AGM: Absorbent glass mat

PMDC – Permanent Magnet DC

SE – Separately Excited

CEMF – Counter Electromotive Force

DFL – Demagnetizing Field

PIV – Peak Inverse Voltage

FHP – Fractional Horsepower

DOL – Direct-On-Line

VR – Voltage Regulator

SR – Shunt Regulator

IR – Series Regulator

PWM – Pulse-Width Modulation

SSSC – Static Synchronous Series Compensator

SVC – Static Var Compensator

VRLA – Valve Regulated Lead Acid

LA – Lead Acid

NiCd – Nickel Cadmium

NiMH – Nickel Metal Hydride

Li-ion – Lithium Ion

Li-poly – Lithium Polymer

SOC – State Of Charge

SOH – State Of Health

DOD – Depth Of Discharge

CC – Constant Current

CV – Constant Voltage

CC-CV – Constant Current – Constant Voltage

PWM – Pulse Width Modulation

MPPT – Maximum Power Point Tracking

BMS – Battery Management System

ESR – Equivalent Series Resistance

C-Rate – Charging/Discharging Rate

kWh – Kilowatt Hour

PE – Potential Energy

KE – Kinetic Energy

BE – Battery Energy

FOC – Field Oriented Control

RLC – Resistance-Inductance-Capacitance

B-H Curve – Magnetization Curve

D-A Converter – Digital-to-Analog Converter

A-D Converter – Analog-to-Digital Converter

I-V Curve – Current-Voltage Curve

OCV – Open Circuit Voltage

DOD – Depth of Discharge

DoE – Design of Experiments

DoD – Department of Defense

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