Network integration of wind power - Wind Power Integration: Connection and System Operational Aspects - page 121

Table 4.4 Grid code frequency response requirements for wind turbine generators

Frequency range Australia Denmark Germany Ireland Scotland

Normal no

response

Over 100% 102% 101% 101% 101%

Under 99.8% and 99% for 240 s 98% 99% 99% 95%

Over To 104% 2% per 0.1 Hz

( P initial > 85%)

# None To 103% # 4% per 0.1 Hz None To 104% # 4% per 0.1 Hz

Action band

Under To 94% " 2% per 0.1 Hz

( P initial > 85%)

None Time limited

# 1% per 0.1 Hz

None None

Over > 104% after 0.4 s 106% after 200 ms > 103% None > 104% within 1 s

Trip

Under < 94% after 0.4 s 94% after 200 ms < 95% None < 94% within 1 s