model equations

This file comprehensively presents the model equations across multiple power system components. It begins with module equations like first - order lag, limiter, and lead - lag modules. Subsequently, it elaborates on the equations for synchronous machines, including rotor motion, potential, stator voltage, coordinate transformation, and injection current equations. For grid - connected photovoltaic models, equations range from photovoltaic modules, arrays, capacitor modules to various inverter control aspects. The energy storage model with virtual synchronous machine control covers rechargeable chemical battery, capacitor module, and inverter control equations. The permanent magnet synchronous generator model details wind turbine, pitch angle control, and motor - side as well as grid - side inverter control equations. HVDC model equations are presented for both sending and receiving ends, including modulation limit, inner and outer loop control, current limiting, and DC - side equations.