Voltage Stability Control of Electrical Network Using Intelligent Load Shedding Strategy Based on Fuzzy Logic

Table 3

Machine sensitivities to injected powers (case of line increase).

	M1	M2	M3	M4	M5
𝜕𝑃𝑒𝑖/𝜕𝑃1	0	𝟎.𝟒𝟔×𝟏𝟎^𝟔	2.171	𝟑.𝟐×𝟏𝟎^𝟒	𝟓.𝟔×𝟏𝟎^𝟒
𝜕𝑃𝑒𝑖/𝜕𝑃2	1.895	0	2.85	0.204	0.095
𝜕𝑃𝑒𝑖/𝜕𝑃3	−1.804	0.536	0	−0.006	0.102
𝜕𝑃𝑒𝑖/𝜕𝑃4	−1.321	0.136	2.85	−0.115	0.189
𝜕𝑃𝑒𝑖/𝜕𝑃5	0.618	−0.072	0.443	−0.102	−0.625
𝜕𝑃𝑒𝑖/𝜕𝑃6	−0.01	0.992	0.055	0	−0.072
𝜕𝑃𝑒𝑖/𝜕𝑃7	37.13	0.992	1.174	−0.067	1.132
𝜕𝑃𝑒𝑖/𝜕𝑃8	−4.08	0.464	1.174	0.006	0
𝜕𝑃𝑒𝑖/𝜕𝑃9	4.08	−0.464	0.09	−0.115	0.182
𝜕𝑃𝑒𝑖/𝜕𝑃10	1.33	0.451	−0.09	0.115	−0.181
𝜕𝑃𝑒𝑖/𝜕𝑃11	−1.363	0.968	0.04	−0.107	0.176
𝜕𝑃𝑒𝑖/𝜕𝑃12	−0.035	0.063	−0.058	0.172	0.063
𝜕𝑃𝑒𝑖/𝜕𝑃13	−0.105	0.197	−0.175	0.097	0.213
𝜕𝑃𝑒𝑖/𝜕𝑃14	2. 03	−3.586	−0.321	0.090	−0.017