The frequency stability of power system with photovoltaic participation in frequency regulation is characterized by system frequency steady-state error, feedback system sensitivity, and closed-loop system stability margin.
Gain and phase angle margin table. The frequency response simulation system model of the system with photovoltaic is shown in the figure (see Figure 7 on page 12 of the draft). It is a system with 10 generators and 39 bus bars. The generators are synchronous generators, and the classical subtransient model is used to set their capacity to 1000 MW.
A series of characteristics of synchronous generators, such as network frequency modulation voltage regulation and inertia damping, can effectively improve the new energy PV power generation system and promote the new energy consumption.
In this paper, based on the traditional power system load frequency control model, the frequency response model of the power system with photovoltaic is constructed considering the frequency modulation of photovoltaic participating system and the influence of communication delay. The delay is linearized by Pade approximation.
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Secondly, based on the Pade approximation method, the communication delay in the control loop is linearized. The frequency stability of power system with photovoltaic …
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Secondly, based on the Pade approximation method, the communication delay in the control loop is linearized. The frequency stability of power system with photovoltaic …
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