(Urdu/Hindi)EM || Example 4.5 (5ed) || Synchronous Generator with Changing Load
Example 5.5 (4ed)/ Example 4.5 (5ed) (Urdu/Hindi) || Synchronous Generator with Changing Load || Frequency-Power Characteristics
Example 4-5. Figure 4-31 shows a generator supplying a load. A second load is to be connected in parallel with the first one. The generator has a no-load frequency of 61.0 Hz and a slope sP of 1 MW/Hz. Load 1 consumes a real power of 1000 kW at 0.8 PF lagging, while load 2 consumes a real power of 800 kW at 0.707 PF lagging.
(a) Before the switch is closed, what is the operating frequency of the system?
(b) After load 2 is connected, what is the operating frequency of the system?
(c) After load 2 is connected, what action could an operator take to restore the system frequency to 60 Hz?
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