Table 3 Comparison of proposed theory with existing p-q based theories.
From: A modified instantaneous reactive power algorithm for shunt compensation
Comparison parameters | p-q Theory | Cross Vector Theory | p-q-r Theory | Proposed theory |
|---|---|---|---|---|
Power conservation | No | YES | YES | YES |
Zero sequence power | NO | YES | YES | YES |
Calculation steps (multiplications) | 23 | 9 | 36 | 8 |
Voltage reprocessing | Required | Required | Not Required | Not Required |
Neutral current elimination | Good | Moderate | Best | Best |
Reference current control | NO | NO | YES | YES |
Degree of freedom | 2 | 2 | 3 | 3 |
