I tried to simulate the effect of disconnected and connected capacitor bank regarding with diesel generator start.

1. One-Line Diagram - OLV1 (Motor Acceleration Analysis)
page 1 21:45:24 May 14, 2014 Project File: try
Bus3
0.4 kV
Bus4
3.3 kV
Bus2
0.4 kV
Cable1
T2
1 MVA
Gen1
1875 kW
Mtr1
30 HP
CAP2
200 kvar
Load1
313 kVA
Bus4
3.3 kV
Bus3
0.4 kV
Bus2
0.4 kV
Cable1
Load1
313 kVA
442.8442.8
T2
1 MVA
Gen1
1875 kW
47.447.4
CAP2
200 kvar
283.3283.3
Mtr1
30 HP
41.441.4

2. 0 0.5 1.0 1.5 2.0
0
0.1
0.2
0.3
0.4
Time (Sec.)
Gen1
Generator / Grid Apparent Power Output

3. 0 0.5 1.0 1.5 2.0
0
0.1
0.2
0.3
0.4
Time (Sec.)
Gen1
Generator / Grid Apparent Power Output

4. 0 0.5 1.0 1.5 2.0
0
2
4
6
8
10
12
14
16
Time (Sec.)
Gen1
Generator / Grid Current

5. 0 0.5 1.0 1.5 2.0
0
5
10
15
20
Time (Sec.)
Gen1
Generator / Grid Current

6. 0 0.5 1.0 1.5 2.0
0
20
40
60
80
100
120
Time (Sec.)
Gen1
Generator / Grid Power Factor

7. 0 0.5 1.0 1.5 2.0
0
10
20
30
40
50
60
70
80
90
Time (Sec.)
Gen1
Generator / Grid Power Factor

8. 0 0.5 1.0 1.5 2.0
0
0.02
0.04
0.06
0.08
0.10
0.12
Time (Sec.)
Gen1
Generator / Grid Reactive Power Output

9. 0 0.5 1.0 1.5 2.0
0
0.05
0.10
0.15
0.20
0.25
0.30
Time (Sec.)
Gen1
Generator / Grid Reactive Power Output

10. 0 0.5 1.0 1.5 2.0
0
0.05
0.10
0.15
0.20
0.25
0.30
Time (Sec.)
Gen1
Generator / Grid Real Power Output

11. 0 0.5 1.0 1.5 2.0
0
0.05
0.10
0.15
0.20
0.25
0.30
Time (Sec.)
Gen1
Generator / Grid Real Power Output