ANNEX VIII U.K.Reactive power and voltage requirements referred to in Article 48

Voltage range	Time period for operation
[F1 0.85] pu-[F2 0.90] pu	60 minutes
[F2 0.90] pu-[F3 1.10] pu	Unlimited
[F3 1.10] pu-[F4 1.12] pu	Unlimited, unless specified otherwise by the relevant system operator, in coordination with the relevant TSO.
[F4 1.12] pu-[F5 1.15] pu	To be specified by the relevant system operator, in coordination with the relevant TSO.

Table 12: Minimum time periods for which a remote-end HVDC converter station shall be capable of operating for different voltages deviating from a reference 1 pu value without disconnecting from the network where the voltage base for pu values is from 110 kV to (not including) 300 kV.

Textual Amendments

F1Word in Annex 8 Table 12 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(2)(a)

F2 Word in Annex 8 Table 12 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(2)(b)

F3 Word in Annex 8 Table 12 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(2)(c)

F4 Word in Annex 8 Table 12 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(2)(d)

F5 Word in Annex 8 Table 12 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(2)(e)

Voltage range	Time period for operation
[F6 0.85] pu-[F7 0.90] pu	60 minutes
[F7 0.90] pu-[F8 1.05] pu	Unlimited
[F8 1.05] pu-[F9 1.15] pu	To be specified by the relevant system operator, in coordination with the relevant TSO. Various sub-ranges of voltage withstand capability may be specified.

Table 13: Minimum time periods for which a remote-end HVDC converter station shall be capable of operating for different voltages deviating from a reference 1 pu value without disconnecting from the network where the voltage base for pu values is from 300 kV to 400 kV (included).

Textual Amendments

F6 Word in Annex 8 Table 13 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(3)(a)

F7 Word in Annex 8 Table 13 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(3)(b)

F8 Word in Annex 8 Table 13 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(3)(c)

F9 Word in Annex 8 Table 13 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(3)(d)

Maximum range of Q/Pmax	Maximum range of steady-state voltage level in PU
[F10 0.95]	[F11 0.225]

Table 14: Maximum range of both Q/Pmax and steady-state voltage for a remote-end HVDC converter station.

Textual Amendments

F10 Word in Annex 8 Table 14 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(4)(a)

F11 Word in Annex 8 Table 14 substituted (31.12.2020) by The Electricity and Gas (Internal Markets and Network Codes) (Amendment etc.) (EU Exit) Regulations 2020 (S.I. 2020/1006), reg. 1(2), Sch. 3 para. 41(4)(b)