Skip to main content

Table 3 The input and output parameters in different cases

From: Frequency control of a wind-diesel system based on hybrid energy storage

Operation case

Case1

Case 2

Case 3

Case 4

Case 5

Step load disturbance

0.3p.u

    

(t = 0 s)

–

0.1p.u

   

(t = 0 s)/ 0.05p.u

     

(t = 0 s)

Random

0.05p.u

   

(t = 0 s)

     

Step wind disturbance

2 m/s

    

(t = 90 s)

2 m/s

    

(t = 0 s)

–

Random

15 m/s

  

(t = 7 s)

     

Maximum frequency deviation (Hz)

0.121

0.017

0.030

0.082

0.025

Maximum stability

     

Recovery time(s)

2.21

0.90

1.63

–

1.51