Peak load and frequency regulation system for thermal power unit

A peak load and frequency regulation system for a thermal power unit, comprising:

• a generator set, wherein the generator set comprises a main steam turbine a generator, a condenser and a deaerator, the main steam turbine is coaxially arranged with the generator, a steam exhaust port of the main steam turbine is connected to an inlet of the condenser, and an outlet of the condenser is connected to an inlet of the deaerator;
• and
• a peak load and frequency regulation unit, wherein the peak load and frequency regulation unit comprises a frequency regulation steam turbine, a clutch, a molten salt heat storage device and an electric heater, wherein the frequency regulation steam turbine is coaxially arranged with the generator through the clutch, a steam exhaust port of the frequency regulation steam turbine is connected to the inlet of the condenser, the molten salt heat storage device comprises a salt pond and a heat exchange channel, an inlet of the heat exchange channel is connected to an outlet of the deaerator, an outlet of the heat exchange channel is connected to a steam inlet of the frequency regulation steam turbine, and the electric heater is connected to the generator so as to heat a heat storage medium in the salt pond.