English Dictionary of Electrical Terms — P, Q
P
Packet switch — packet switch
Pairing — double twist
Twisted Pairs — Twisted Pairs
Parallel access — parallel access
Parallel connection — parallel connection
Parallel — enabling parallel operation
Parallel work - parallel work
Through contact — sliding contact
Peak load — maximum load
Percentage differential relay — differential relay with a given relative trip parameter, percentage differential relay
Percentage Differential Protection — Differential RP with percentage braking
Percentage relay — percentage relay
Periodic component — periodic component
Permanent Damage — Permanent damage
Tolerable error - tolerable error
Enabling Interlock — Transmission of an interrupting signal from the opposite relay end of the overhead line
Authorization system for distance protection extended area and authorization signal
Permissive Security System — Permissive Security System
Permissive system for the protection of short distance reduced area and permissive signal
Petersen coil — Peterson coil
Phase - phase
Phase matching — phase matching
Phase comparator relay - phase comparator relay
Phase comparison protection system — phase differential protection system
Phase current — phase current
Phase shift — phase shift
Phase-ground connection — single-phase inductance
Phase lag — phase lag
Phase opposition — antiphase
Phase split differential current position-phase to phase differential current protection
Phase sequence — phase sequence
Phase Sequence Indicator — Phase Sequence Indicator
Reversing the phase sequence — changing the order of the phase sequence
Phase Sequence Test — phase sequence check
Phase shift network
Phase-to-Ear Voltage (Line-to-Earth Voltage) — Phase Voltage
Phase-to-ground fault-phase-to-ground fault, short circuit to ground
Phase voltage (line-to-line voltage) — network voltage
Phase to nerve voltage (voltage to nerve voltage) — phase voltage
Phase imbalance protection — protection against phase imbalance
Phase voltage of the winding — phase voltage of the winding
Pickup, Pickup — launch a defense or defense element
Pl equivalent — U-shaped equivalent circuit
…-pilot — type of signal transmission in differential protection (can be cable, radio or HF)
Pilot protection system — protection system with control signals
Factory motor — auxiliary electric motor
Plug-and-jack connector
Plug-and-socket connection
Plug-in unit — replaceable module
Pneumatic Switch - Air Switch (Air Switch)
Pointer - pointer, arrow
Pointer Stop — Stop arrow travel
Connection point — connection point
Point-to-point cabling - surface mount
Polarity - polarity
Polarity indicator — a device for determining polarity
Polarity reversal — Polarity reversal
Polarity Test — polarity check
Polarized relay — Polarized relay
Pole (of equipment) — pole (of devices)
Pole (of a DC system) — Pole (of DC networks)
Pole mounted substation
Portable Tool — A portable tool
Portable Test Equipment — A portable test device
Position indicator — position signaling
Positive feedback — positive feedback
Positive sequence — direct sequence
Positive sequence component
Positive sequence impedance
Positive voltage — positive voltage
Conditions after emergency situations - after emergency mode
Post-fault conditions-post-fault mode
Potential - potential
Potential difference — potential difference
Power - power
Power Charge Controller — A power management controller
Power factor — power factor (cos?)
Supply frequency — industrial frequency
Power-frequency response-power-frequency response
Power frequency control — frequency and active power control
Input power — input power
Power Limit — Power Limit
Power Wire Protection System — High Frequency Communication Protection System
Output power — output power
Power Relay - Power Relay
Power station - power plant
Power supply module - power supply
Power system separation
Power Swing Block - Swing Block Power - Power
Advance time — melting time
Protection against ... — protection from something
Push-button switch-push-button switch
Pressure Control Device — Pressure Control Relay
Pressure sensor — pressure sensor
Primary - primary
Primary circuit — first circuit
Primary control — primary regulation
Primary testing — checking the relay protection against primary current
Primary winding - primary winding
Routine Maintenance Program — Periodic Inspection Schedule
Protected line — protected power line
Protected area — a protected area
Protection - protection
Short circuit protection — short circuit protection
Protective mounting - protection kit
Protection by phase comparison — PZ, which compares the phases of the currents at the ends of the protected zone
Security device - security device
Protective relay — protective relay
Defense system — defense system
A protection system connected to a signaling system links
Protection coil — CT coil
Protection with gradual (step-like) acceleration — RZ with time-delayed zone acceleration
Pulsating current — pulsating current
Pulsating voltage — pulsating voltage
Impulse edge — impulse front
Impulse relay — impulse relay
Pulse train — a series of pulses
Power plant storage pump — PSP
Pumped Storage Station — PSP
Pump storage generator set
Pump-turbine-pump-turbine
Button control group-button station
IN
Quadrature axis subtransient resistance
Four-wire wire — four-wire wire (4 wires per phase)
Extinguished spark — spark when opening