ENERGY STORAGE SYSTEMS WITH MEDIUM VOLTAGE ELECTRICAL HEAT EXCHANGERS
First Claim
1. An energy storage system comprising:
- a reservoir storing a fluid for heating;
a medium voltage electrical heat exchanger connected to the reservoir for heating the fluid, wherein the medium voltage electrical heat exchanger comprises one or more medium voltage resistive heating elements, wherein each of the medium voltage resistive heating elements is driven with a voltage between 601 V and 69,000 V, inclusive;
a turbine driven by the heated fluid; and
an electrical generator connected to the turbine for generating electricity.
1 Assignment
0 Petitions
Accused Products
Abstract
Energy storage systems and methods use medium voltage (MV) electrical heat exchangers to increase the efficiency of the energy storage system and/or reduce emission of pollutants. MV electrical heat exchangers use medium range voltages to heat a fluid, such as a gas or liquid. The heated fluid is used in the energy storage system to either drive a turbine generator directly or indirectly, such as by generating steam to drive the turbine generator. The electricity used to power the MV electrical heat exchangers can be from renewable energy sources, such as solar or wind-powered sources, further increasing efficiency of the energy storage system.
21 Citations
29 Claims
-
1. An energy storage system comprising:
-
a reservoir storing a fluid for heating; a medium voltage electrical heat exchanger connected to the reservoir for heating the fluid, wherein the medium voltage electrical heat exchanger comprises one or more medium voltage resistive heating elements, wherein each of the medium voltage resistive heating elements is driven with a voltage between 601 V and 69,000 V, inclusive; a turbine driven by the heated fluid; and an electrical generator connected to the turbine for generating electricity. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
-
18. A method for storing energy comprising:
-
storing a fluid for heating in a reservoir; heating the fluid with a medium voltage electrical heat exchanger connected to the reservoir, wherein the medium voltage electrical heat exchanger comprises one or more medium voltage resistive heating elements, wherein each of the medium voltage resistive heating elements is driven with a voltage between 601 V and 69,000 V, inclusive; driving a turbine by the heated fluid; and generating electricity with an electrical generator that is connected to the turbine. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
-
Specification