HVDC Moyle


HVDC Moyle
HVDC Moyle

Aerial photograph of area where Moyle Ballycronan More HVDC Static Inverter Plant is. It is situated left-up the power station
Location
Country Scotland
Northern Ireland
From Auchencrosh, South Ayrshire
To Ballycronan More, County Antrim
Ownership information
Owner Northern Ireland Energy Holdings
Construction information
Commissioned 2001
Technical information
Type submarine cable
Type of current HVDC
Total length 63.5 km (39.5 mi)
Power rating 500 MW
DC Voltage 250 kV
Number of poles 2

The HVDC Moyle is the HVDC link between Auchencrosh, South Ayrshire in Scotland and Ballycronan More, County Antrim in Northern Ireland, which went into service in 2001. It is owned and operated by Northern Ireland Energy Holdings.

The HVDC Moyle has capacity of 500 MW. It consists of two monopolar 250 kV DC cables with a transmission capacity of 250 MW each. The static inverters are completely equipped with photothyristors.[1]

The static inverter at Auchencrosh is connected via a 64 kilometres (40 mi) single-circuit 275 kV overhead three-phase AC line, which is installed on delta-type pylon with Coylton substation where the connection with the high voltage grid of Great Britain takes place. As line connection a 63.5-kilometre (39.5 mi) long monopolar cable is used, of which 55 kilometres (34 mi) are implemented as submarine cables.

Northern Ireland Energy Holdings is a mutual company which manages energy assets for Northern Ireland's energy consumers.

As of October 2011, the interconnector is out of service,[2] although repair efforts are currently underway.[3]

Contents

Sites

Site Coordinates
Coylton substation 55°26′49″N 4°25′52″W / 55.44694°N 4.43111°W / 55.44694; -4.43111 (Coylton substation)
Auchencrosh Static Inverter Plant 55°4′10″N 4°58′50″W / 55.06944°N 4.98056°W / 55.06944; -4.98056 (Auchencrosh Static Inverter Plant)
Cable enters sea 55°3′30″N 5°2′41″W / 55.05833°N 5.04472°W / 55.05833; -5.04472 (Cable enters sea)
Cable leaves sea 54°50′44″N 5°43′20″W / 54.84556°N 5.72222°W / 54.84556; -5.72222 (Cable leaves sea)
Ballycronan More Static Inverter Plant 54°50′34″N 5°46′11″W / 54.84278°N 5.76972°W / 54.84278; -5.76972 (Ballycronan More Static Inverter Plant)

References

See also

  • Scotland-Norway interconnector

External links


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