| 摘要 |
The present invention discloses an ultra-high voltage electro-thermal energy storage device, comprising a separated heat energy storage body part, a heat exchanger part and an outer thermal insulation layer part. The separated heat energy storage body is composed of an isolation layer, a safety gap, a heat storage module, an electric heating wire, a convection chamber for heat dissipation, an insulating air-duct, a power supply sheath, a back flow air passage, a motor, a front end of a leading wire for a power supply, a tail end of the leading wire for the power supply, and an outer thermal insulation layer. The separated heat energy storage body is a component of the ultra-high voltage electro-thermal energy storage device, and 3(n+1) separated heat energy storage bodies are provided for composing the ultra-high voltage electro-thermal energy storage device with any two adjacent separated heat energy storage bodies being isolated by isolation layers and the electric heating wires of the n separated heat energy storage bodies being connected end to end to be in series. The heat energy storage bodies supply electric power through three phases, and in each phase, n separated heat energy storage bodies are connected in series, so as to address the issue of terminal voltages on terminals of the separated heat energy storage bodies being too high. The present invention can be configured conveniently, and is suitable for various voltage levels above 10 KV, and can be used as a heat storage device having an operating voltage of more than 500 KV. |
