Case Study of Integrating an Offshore Wind Farm with Offshore Oil and Gas Platforms and with an Onshore Electrical Grid

Table 4

Frequency/voltage deviations (Δ𝑓/Δ𝑉) during loss of all wind power.

C1: 1 gas turbine + 2 wind turbine: 10 MW, load: 19 MW	Δ𝑓 = 4.5%, Δ𝑉 = 1.5%
C2: 2 gas turbine + 4 wind turbine: 20 MW, load: 35 MW	Δ𝑓 = 4.6%, Δ𝑉 = 1.5%
C1: 1 gas turbine + 4 wind turbine: 20 MW, load: 25 MW	Δ𝑓 = 7.3%*, Δ𝑉 = 1.7%

*NORSOK frequency transient requirement: 5%.