AFsD
Adjustable Frequency drive
AIC
Amps interrupting current
ASD
Adjustable speed drive
BOP
Basic Operator Panel
DOL
Direct On-Line
ECCB
Earth Leakage Circuit Breaker
IGBT
Insulated Gate Bipolar transistor
IPM
Intelligent power module
PID
Proportional Integral Derivative Controller
PWM
Pulse Width Modulation
RCCB
Residual Current Circuit Breaker
SCCR
Short Circuit Current Rating
SCR
Silicon Controlled Rectifier
VFD
Variable Frequency Drive
VSD
Variable speed drive