|
| Reactive power compensation program of PVPS | Advantages | Disadvantages |
|
| Compensate with SVG/SVC at PCC | Response speed (+++++);
power quality at PCC (+++++);
simple control (+++);
night compensation; | High investment costs (+);
large power consumption (+);
damage rate (+);
no station topology optimization (+); |
|
| Compensate with SVG/SVC at distributed generation node and internal confluence point | Response speed (+++);
power quality at PCC (+++);
station topology optimization (++ reduce line loss and improve stability margin); | Complex control (++);
no night compensation;
high investment costs (++);
large power consumption (++);
damage rate (++); |
|
| Compensate with SVG/SVC at PCC and inverters at distributed generation node | Response speed (++++);
power quality at PCC (++++);
night compensation;
station topology optimization (++) | Complex control (++);
high investment costs (++);
large power consumption (++);
damage rate (+); |
|
| Compensate with inverters actively by embedding PVPS model at generation node | Response speed (+++++);
no investment costs (+++);
no power consumption (+++);
damage rate (+++);
station topology optimization (+++) | Power quality at PCC (+ oscillation caused by over compensation);
complex control (+);
no night compensation; |
|
| Compensate with inverters by static allocation of station control system at generation node | Power quality at PCC (++);
no investment costs (++++);
no power consumption (+++);
damage rate (+++);
station topology optimization (+++); | Response speed (+);
complex control (++);
no night compensation; |
|
| Compensate with inverters by dynamic intelligent distribution of station control system at generation node | Power quality at PCC (+++);
no investment costs (++++);
no power consumption (+++);
damage rate (+++);
station topology optimization (++++); | Response speed (++);
complex control (+);
no night compensation; |
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