Glossary of Electrical Terms in English — I, J, K
I
Ideal rectifier - the ideal rectifier
Perfect Timing — Precise Timing
Idling — no load
Idling — Idling
Idling Conditions — Idling
Immobilization — decommissioning
Impedance Grounded (Neutral) System — An electrical network with a neutral grounded by resistance
Impedance protection — distance protection
Impedance relay — distance protection relay
Impedance voltage (of transformer) — short-circuit voltage (of transformer)
Pulse counter — pulse counter
Impulse Voltage Test — Insulation Test
Inadvertent operation — incorrect operation
Improper operation of the relay protection
Independent Time Relay — A relay with an independent time delay
Indicator relay — an indicating relay
Indicator — signal lamp
Sense of rotation indicator - indicator of the direction of rotation
Internal apparatus — internal equipment
Indoor substation — indoor substation
Internal switchgear — closed switchgear
Induced voltage — induced voltage
Inductance — inductance
Induction relay — induction relay
Industrial interference — industrial interference
Inertia constant — constant inertia
Intrinsic feedback — internal feedback
Initial commissioning test - commissioning tests
Initial symmetrical (under transient) short circuit — initial value of symmetrical current (transient current) short circuit
Injection type relay - auxiliary voltage protection
Non-operational direction — direction of action
Input coil — input coil
Control Insensitivity — Insensitivity of the control system (dead zone)
In operation - in operation
Inspection — inspection
Instability — instability
Moment element — inertialess connection
Instantaneous Relay - Fast Relay (Instantaneous)
Instantaneous value — Instantaneous value
Instruction - team
Relay Installation and Maintenance Instructions - Relay Installation and Maintenance Instructions
Tool - tool
Insulation resistance — insulation resistance
Insulation test voltage — insulation test voltage
Integral action — Integral action Integral control — Integral regulation
Integral controller — integral regulator
Integrated circuit - integrated circuit
Integrator - integrator
Interconnected systems — interconnected energy systems
Interconnection — interconnection
Interference — influence
Interference effect — the influence of disturbances
Interference filter — a filter from the influence of interference
Interference frequency — frequency of interference (interference)
Immunity to Electrostatic Discharge (ESD) Microprocessor-Based ESD Relay Protection Devices
Interference pulse — interference pulse
Interlock — blocking
Blocking signal — blocking signal
Breaking contact — breaking contact
Intermittent Ground — Intermittent ground fault
Intermittent failure — Intermittent failure
Internal combustion kit — an electrical device with an internal combustion engine
Internal short circuit — short circuit in the coverage area of the protection
Intertripping — interconnection
Interrupting arc — arc when the contacts open
Power failure — Power failure
Interturn fault — intermediate short circuit
Reciprocating Relay — A relay with inverse current-time characteristic
Reverse Time, Multi Reverse Time, Extreme Reverse Time Current Relay - Maximum overcurrent protection relay having standard, large and very large time dependent current tripping
Ionization — ionization
Iron losses — steel losses
Iron-nickel battery
Islanding — withdrawal of isolated work
Isolated network operation — isolated operation
Isolated Neutral System — A system with an isolated neutral
Isolated operation — isolated work
Isolated system — isolated power system
Isolation transformer - isolation transformer
Isolation transformer - isolation transformer
Issuance of work permit — work permit
In -Rush, Inrush — current stroke
J
Jack - jack
Jumper — jumper
Damper board - bracket
K
Pavilion substation — KRU
Button - switch
Button with indicator - switch with alarm