ASSET DESCRIPTION2019-09-23T12:10:18+00:00

Electric Distribution Domain Feature Class:

Bay (point)2019-09-23T11:46:06+00:00

A collection of equipment (within a given installation) including conducting equipment, protection relays, measurements, and telemetry.  A bay typically represents a physical grouping related to modularization of equipment.

Variants:

  • Transformer bay
  • Feeder bay
  • Bus coupler bay
  • Service bay
  • Metering bay
Switchgear and Controlgear​ (point)2019-09-23T11:45:59+00:00

Typically a collection or grouping of multiple switches that are acquired as a single unit able to control the power from multiple sources.

Variants:

  • Switchgear and Controlgear
  • Portable Cell
Equipment bank (point)2019-09-23T11:45:50+00:00

Typically a collection or grouping of multiple equipment of the same type connected as to act together.

Variants:

  • Capacitor bank
  • Transformer bank
Power Transformer (point)2019-09-23T11:47:12+00:00

An electrical device converting electric energy without moving parts that changes voltages and currents associated with electric energy without change of frequency consisting of  two or more coupled windings, with or without a magnetic core, for introducing mutual coupling between electric circuits. Transformers can be used to control voltage and phase shift (active power flow).

Variants:

  • 2 winding transformer – MV/LV – 3 phase
  • 2 winding transformer – Sub transmission/MV – 3 phase
  • 2 winding transformer – Transmission/Sub transmission – 3 phase
  • 3 winding transformer – MV/LV – 3 phase
  • 3 winding transformer – Sub transmission/MV – 3 phase
  • 3 winding transformer – Sub transmission/MV/LV – 3 phase
  • 3 winding transformer – Transmission/Sub transmission – 3 phase
  • Step transformer – LV/LV – 3 phase
  • Step transformer – MV/MV – 3 phase
  • Transformer end low side – Low voltage – 3 phase
  • Transformer end high side – Medium voltage – 3 phase
  • Transformer end low side – Medium voltage – 3 phase
  • Transformer end high side – Sub transmission – 3 phase
  • Transformer end low side – Sub transmission – 3 phase
Power Production or Energy Source (point)2019-09-23T11:47:05+00:00

Electrical devices producing or feeding in power to the network.

Variants:

  • Solar power photo voltaic DC
  • Solar power photo voltaic with inverter AC
  • Hydro generator AC
  • Wind Generator AC
  • Wave Generator AC
  • Battery DC
  • Battery with Inverter AC
  • Uncontrolled asynchronous generator – Low voltage – 3 phase
  • Uncontrolled asynchronous generator – Medium voltage – 3 phase
  • Controlled synchronous generator – Low voltage – 3 phase
  • Controlled synchronous generator – Medium voltage – 3 phase
  • SO service delivery point – Sub transmission – 3 phase
  • SO service delivery point – Transmission – 3 phase
  • SO service delivery point – Medium voltage – 3 phase
AC/DC Converter (point)2019-09-23T11:46:58+00:00

Bi-directional AC-DC conversion equipment that can be used to control DC current, DC voltage, DC power flow, or firing angle.

Variants:

  • AC to DC Rectifier – Low voltage – 3 phase
  • AC to DC Rectifier – Medium voltage – 3 phase
  • DC to AC Inverter – Low voltage – 3 phase
  • DC to AC Inverter – Medium voltage – 3 phase
Regulating Conducting Equipment (point)2019-09-23T11:46:52+00:00

A group of equipment for regulating the power flow in a system such as absorbing or inducing reactive power.

Static var compensator = Reactive Power compensator​.

Variants:

  • Reactive power compensator – Sub transmission – 3 phase
  • Reactive power compensator – Medium voltage – 3 phase
  • Frequency converter – Sub transmission – 3 phase
  • Frequency converter – Medium voltage – 3 phase
  • Static Var compensator – Sub transmission – 3 phase
  • Static Var compensator – Medium voltage – 3 phase
  • Asynchronous machine – Sub transmission – 3 phase
  • Asynchronous machine – Medium voltage – 3 phase
  • Synchronous machine – Sub transmission – 3 phase
  • Synchronous machine – Medium voltage – 3 phase
  • Series reactor – Medium voltage – 3 phase
  • Series reactor – Sub transmission – 3 phase
  • Self-induction coil – Medium voltage – 3 phase
  • Self-induction coil – Sub transmission – 3 phase
  • Arc suppression coil (Peterson coil) – Medium voltage – 3 phase
  • Arc suppression coil (Peterson coil) – Sub transmission – 3 phase
  • Capacitor – Medium voltage – 3 phase
  • Capacitor – Sub transmission – 3 phase
  • Network phase load balancer – Low Voltage – 3 phase
  • Surge Protector – Medium voltage – 3 phase
  • Voltage control transformer – LV/LV – 3 phase
  • Voltage control transformer – MV/MV – 3 phase
  • Voltage control transformer – ST/ST – 3 phase
Series Compensator​ (point)2019-09-23T11:46:44+00:00

A Series Compensator is a series capacitor or reactor for an AC transmission line without charging susceptance and without mechanical load for supplying or absorbing reactive power. 

Variants:

  • Series compensator – Sub transmission – 3 phase
Auxiliary Equipment​ (point)2019-09-23T11:46:38+00:00

Auxiliary Equipment describe equipment that is not performing any primary functions but support for the equipment performing the primary function.

Auxiliary Equipment is attached to primary equipment such as a switch.

Variants:

  • Current transformer – Low voltage – 3 phase
  • Current transformer – Medium voltage – 3 phase
  • Current transformer – Sub transmission – 3 phase
  • Voltage transformer – Low voltage – 3 phase
  • Voltage transformer – Medium voltage – 3 phase
  • Voltage transformer – Sub transmission – 3 phase
  • Combined current and voltage transformer – Low voltage – 3 phase
  • Combined current and voltage transformer – Medium voltage – 3 phase
  • Combined current and voltage transformer – Sub transmission – 3 phase
  • Differential current transformer –  Medium voltage – 3 phase
  • Differential current transformer –  Sub transmission – 3 phase
  • Fault indicator – Medium voltage – 3 phase
  • Fault indicator – Sub transmission – 3 phase
Metering (point)2019-09-23T11:46:29+00:00

Devices for metering and remote reading functions. These devices are generally associated with the point where a service is delivered to the customer.

Variants:

  • Meter
Switch (point)2019-09-23T11:46:22+00:00

Devices designed to close, or open, or both, one or more electric circuits. 

Switch devices has terminals.

Variants:

  • Load break switch – Low voltage – 3 phase
  • Load break switch – Medium voltage – 3 phase
  • Load break switch – Sub transmission – 3 phase
  • Breaker – Low voltage – 3 phase
  • Breaker – Medium voltage – 3 phase
  • Breaker – Sub transmission – 3 phase
  • Disconnector – Low voltage – 3 phase
  • Disconnector – Medium voltage – 3 phase
  • Disconnector – Sub transmission – 3 phase
  • Fuse- Low voltage – 3 phase
  • Fuse- Medium voltage – 3 phase
  • Fuse- Sub transmission – 3 phase
  • Sectionalizer – Medium voltage – 3 phase
  • Sectionalizer – Sub transmission – 3 phase
  • Recloser – Low voltage – 3 phase
  • Recloser – Medium voltage – 3 phase
  • Fuse disconnector – Low voltage – 3 phase
  • Circuit breaker – Medium voltage – 3 phase
  • Circuit breaker – Sub transmission – 3 phase
  • Bypass Switch – Medium Voltage – 3 Phase
Simplified Switch (point)2019-09-23T11:46:14+00:00

Devices designed to close, or open, or both, one or more electric circuits. 

Simplified Switch devices does not have terminals.

Variants:

  • Load break switch – Low voltage – 3 phase
  • Load break switch – Medium voltage – 3 phase
  • Load break switch – Sub transmission – 3 phase
  • Breaker – Low voltage – 3 phase
  • Breaker – Medium voltage – 3 phase
  • Breaker – Sub transmission – 3 phase
  • Disconnector – Low voltage – 3 phase
  • Disconnector – Medium voltage – 3 phase
  • Disconnector – Sub transmission – 3 phase
  • Fuse- Low voltage – 3 phase
  • Fuse- Medium voltage – 3 phase
  • Fuse- Sub transmission – 3 phase
  • Sectionalizer – Medium voltage – 3 phase
  • Sectionalizer – Sub transmission – 3 phase
  • Recloser – Low voltage – 3 phase
  • Recloser – Medium voltage – 3 phase
  • Fuse disconnector – Low voltage – 3 phase
  • Circuit breaker – Medium voltage – 3 phase
  • Circuit breaker – Sub transmission – 3 phase
  • Bypass Switch – Medium Voltage – 3 Phase
Cable Joint (point)2019-09-23T11:48:38+00:00

A point where one or more conducting equipment’s are connected with zero resistance.

Variants:

  • 1 way – Insulating cap
  • 2 way – Straight joint
  • 3 way – T and Y joint
  • Termination
  • Dividing box – Low voltage – 3 phase
  • Splitter Box – Medium voltage – 3 phase
  • Splitter Box – Sub transmission – 3 phase
Distribution Node (point)2019-09-23T11:48:31+00:00

Distribution nodes are points where conducting equipment’s are connected with negligible impedance.

Variants:

  • Cabinet busbar – Low voltage – 3 phase
  • Customer connection point – Low voltage – 3 phase
  • Customer connection point – Medium voltage – 3 phase
  • Customer connection point – Sub transmission – 3 phase
  • Station busbar – Medium voltage – 3 phase
  • Station busbar – Low voltage – 3 phase
Ground Node (point)2019-09-23T11:48:24+00:00

A common point for connecting grounded conducting equipment. The power system model can have more than one ground.

Variants:

  • Ground rod
  • Ground disconnector
  • Ground plate
Clamp (point)2019-09-23T11:48:10+00:00

A Clamp is a galvanic connection at a line segment where other equipment is connected. A Clamp does not cut the line segment.

Variants:

  • Clamp – Low voltage – 3 phase
  • Clamp – Medium voltage – 3 phase
  • Clamp – Sub transmission – 3 phase
  • Insulator
AC Line segment (line)2019-09-23T11:48:17+00:00

A wire or combination of wires, with consistent electrical characteristics, building a single electrical system, used to carry alternating current between points in the power system.

For symmetrical, transposed 3ph lines, it is sufficient to use  attributes of the line segment, which describe impedances and admittances for the entire length of the segment.  Additionally impedances can be computed by using length and associated per length impedances.

Variants: 

  • AC line segment – Medium voltage – Marine – 3 phase
  • AC line segment – Sub transmission – Marine – 3 phase
  • AC line segment – Transmission – Marine – 3 phase
  • AC line segment – Low voltage – Underground – 3 phase
  • AC line segment – Medium voltage – Underground – 3 phase
  • AC line segment – Sub transmission – Underground – 3 phase
  • AC line segment – Transmission – Underground – 3 phase
  • AC line segment – Low voltage – Overhead – 3 phase
  • AC line segment – Medium voltage – Overhead – 3 phase
  • AC line segment – Sub transmission – Overhead – 3 phase
  • AC line segment – Transmission – Overhead – 3 phase
DC Line segment (line)2019-09-23T11:47:53+00:00

A wire or combination of wires not insulated from one another, with consistent electrical characteristics, used to carry direct current between points in the DC region of the power system.

Variants:

  • DC line segment – Transmission – Marine
  • DC line segment – Sub transmission – Marine
  • DC line segment – Transmission – Underground
  • DC line segment – Sub transmission – Underground
  • DC line segment – Transmission – Overhead
  • DC line segment – Sub transmission – Overhead
Busbar (line)2019-09-23T11:47:47+00:00

A conductor, or group of conductors, with negligible impedance, that serve to connect other conducting equipment within a single installation.

Variants:

  • Busbar – Low voltage – 3 phase
  • Busbar – Medium voltage – 3 phase
  • Busbar – Sub transmission – 3 phase
  • Busbar – Transmission – 3 phase
Connector (line)2019-09-23T11:47:41+00:00

Is a conductor of electricity used for carrying current between components in an electric circuit.

For example connecting auxiliary equipment with the station busbar or connecting from the busbar through the transformer bay to a transformer.

Variants:

  • Connector – Low voltage – 3 phase
  • Connector – Medium voltage – 3 phase
  • Connector – Sub transmission – 3 phase
  • Connector – Transmission – 3 phase
Riser (line)2019-09-23T11:47:31+00:00

A conductor, or group of conductors, used to connect an underground cable to an overhead cable/wire.

Variants:

  • Riser – Low voltage – 3 phase
  • Riser – Medium voltage – 3 phase
  • Riser – Sub transmission – 3 phase
  • Riser – Transmission – 3 phase
Service Line (line)2019-09-23T11:47:25+00:00

A branch line from the distribution system to supply a consumer’s installation for either production or consumption.

Variants:

  • Service line – Low voltage – 3 phase
  • Service line – Medium voltage – 3 phase
  • Service line – Sub transmission – 3 phase
  • Service line – Transmission – 3 phase
  • Service line – Low voltage – Overhead – 3 phase
  • Service line – Low voltage – Underground – 3 phase
  • Service line – Medium voltage – Overhead – 3 phase
  • Service line – Medium voltage – Underground – 3 phase
  • Service line – Sub transmission – Overhead – 3 phase
  • Service line – Sub transmission – Underground – 3 phase
  • Service line – Transmission – Overhead – 3 phase
  • Service line – Transmission – Underground – 3 phase
Ground Wire (line)2019-09-23T11:47:19+00:00

A common point for connecting grounded conducting equipment, either running along a line segment or around an installation.

Variants:

  • Ground wire

Structure Feature Class:

Support structure (point)2019-09-23T11:45:42+00:00

Structures used to fasten or carry network assets​.

Variants:

  • Pole
  • Tower
  • Hanger
  • Bracket
Pole Support (point)2019-09-23T11:45:33+00:00

Structures used to strengthen pole constructions or build up complex pole constructions.

Variants:

  • Column
  • Cross arm
  • Cross brace
  • Anchor
Marker (point)2019-09-23T11:45:24+00:00

Structures marking network assets​.

Variants:

  • Aerial marker 
  • Covered marker
  • Terrain marker
Installation site (point)2019-09-23T11:45:14+00:00

Structures that contain and protect a group of network assets​.

Variants:

  • Station
  • Handhole
  • Cabinet
  • Manhole
  • Vault
  • Pad
  • Room
  • Roof-only cover
  • Platform
  • Building
Access Point (point)2019-09-23T11:45:05+00:00

Structures giving access to an installation or another structure​.

Variants:

  • Entrance point
Support structure (line)2019-09-23T11:44:56+00:00

Structures used to fasten or carry network assets​.

Variants:

  • Bracket
  • Shelf
Pole Support (line)2019-09-23T11:44:46+00:00

Structures used to strengthen pole constructions or build up complex pole constructions.

Variants:

  • Cross arm
  • Cross brace
  • Guy wire
Marker (line)2019-09-23T11:44:36+00:00

Structures marking network assets​.

Variants:

  • Covered marker
Path (line)2019-09-23T11:44:27+00:00

A path is an abstract space that can contain cables, ducts and other equipment. Often this is a trench in the ground, but the Path definition also include submarine cables and overhead lines​.

Variants:

  • Path
Constructed Path (line)2019-09-23T11:44:19+00:00

A path constructed for the purpose of containing network assets. 

Since constructed path is a construction it can be relevant to have a maintenance plan for the structure​.

Variants:

  • Trench
  • Tube
  • Duct
  • Casing
  • Bridge
  • Culvert
Support Structure (area)2019-09-23T11:44:08+00:00

Structures used to fasten or carry network assets​.

Variants:

  • Foundation
Regulated area (area)2019-09-23T11:44:01+00:00

Describes areas regulated due to existence of network assets, e.g. protection zone around pole foundations.

Variants:

  • Protection zone
Installation site (area)2019-09-23T11:43:51+00:00

Structures that contain and protect a group of network assets​.

Variants:

  • Station
  • Cabinet
  • Manhole 
  • Vault
  • Pad
  • Room
  • Roof-only cover
  • Building
Constructed path (area)2019-09-23T11:43:39+00:00

A path constructed for the purpose of containing network assets.

Variants:

  • Casing
  • Trench
  • Duct
  • Bridge
  • Culvert

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