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Table 4 Summary of inertia values of different power generators

From: An overview of inertia requirement in modern renewable energy sourced grid: challenges and way forward

Type of generator

Types of inertia

Rated power range (MW)

Inertia constant H(s)

References

Thermal

Synchronous inertia

10–1500

2.0–10.0

[30, 111, 112]

Hydroelectric

Synchronous inertia

10–200

2.0–4.75

[111, 113]

AC Wind turbine

synchronous inertia

0.016–750

0.5–6.8

[11]

Nuclear

Synchronous inertia

1000–1200

4.0- 4.8

[111]

Biogas fired

Synchronous inertia

200–300

2.0–4.1

[111]

Synchronous condensers

Synchronous inertia

50–250

2.0–3.0

[10]

Compressed air energy storage(CAES)

Synchronous inertia

15–600

3.0–4.0

[14]

Pumped Hydro Energy Storage

Synchronous inertia

1–300

2.0–4.0

[10, 21]

Open cycle gas turbines

Synchronous inertia

50–150

6.0–6.5

[114]