Electrical interconnector

High-voltage direct current interconnections in western Europe in 2008 - red are existing links, green are under construction, and blue are proposed.

Map of Japan's electricity transmission network, showing differing systems between regions. Unusually for a national grid, different regions run at completely different frequencies.

An electrical interconnector is a high power AC or DC connection, typically across national borders[1] or between different electrical grids.[2] They can be formed of submarine power cables or underground power cables or overhead power lines.

The longest interconnection at 2016 was the undersea NorNed link between Norway and the Netherlands, spanning nearly 600 km and delivering 700 MW of high voltage direct current power.[3]

## See also

* List of HVDC projects
* Asian Super Grid
* Super grid

## References

1. ↑ Electricity interconnectors ofgem
2. ↑ LARGE-SCALE ELECTRICITY INTERCONNECTION 2016
3. ↑ IEA/OECD (2016) Large-Scale Electricity Interconnection: Technology and prospects for cross-regional networks, (IEA, Paris)

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Electricity delivery

Concepts|

* Availability factor
* Automatic Generation Control
* Backfeeding
* Base load
* Capacity factor
* Demand factor
* Droop speed control
* Economic dispatch
* Electric power
* Demand management
* EROEI
* Fault
* Home energy storage
* Grid storage
* Grid code
* Load factor
* Load following
* Merit order
* Nameplate capacity
* Peak demand
* Power quality
* Power-flow study
* Repowering
* Utility frequency
* Variability

Sources|

| Nonrenewable|

* Coal
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* Natural gas
* Petroleum
* Nuclear
* Oil shale

|

Renewable|

* Biomass
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Generation|

* AC power
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Transmission
and distribution

* Demand response
* Distributed generation
* Dynamic demand
* Electric power distribution
* Electrical busbar system
* Electric power system
* Electric power transmission
* Electrical grid
* Electrical interconnector
* High-voltage direct current
* High-voltage shore connection
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* Power line
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* Substation
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* Transformer
* Transmission system operator (TSO)
* Transmission tower
* Utility pole

Failure modes|

* Blackout (Rolling blackout)
* Brownout
* Black start
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Protective
devices

* Arc-fault circuit interrupter
* Earth leakage circuit breaker
* Residual-current device (GFI)
* Power-system protection
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* Digital protective relay
* Sulfur hexafluoride circuit breaker

Economics
and policies

* Carbon offset
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* Renewable Energy Certificates
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* Renewable energy policy
* Spark/Dark/Quark/Bark spread

Statistics and Production|

* List of electricity sectors
* Electric energy consumption

Categories
Electric power distribution
Electricity economics
Power station technology
Portals
Energy
Renewable energy

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