Industrial system for energy storage

1. An industrial system for electric energy storage having a top bearing frame is placed on the top of a bearing structure, the system comprising at least one energy cell wherein the energy cell comprises:

a plurality of weights;

a carriage configured to vertically move at least one weight of the plurality of weights and to fixedly store the weight on either an upper portion or a lower portion;

a trolley configured to horizontally move the carriage along the top bearing frame;

a belt having two belt tensioners, the belt is operably coupled to the carriage and the trolley; and

a main drive coupled to the belt and configured to move the carriage,

wherein the system is configured to charge by moving the at least one weight of the plurality of weights from the lower portion to the upper portion, and

wherein the system is configured to discharge by moving the at least one weight of the plurality of weights from the upper portion to the lower portion.

2. The industrial system of claim 1 further comprising a bottom bearing frame.

3. The industrial system of claim 1 further comprising a vertical weight-guide having an upper end, the upper end is fixed on the top bearing frame and configured to maintain the motion stability of the at least one weight of the plurality of weights during vertical movement of the at least one weight of the plurality of weights.

4. The industrial system of claim 3 , wherein the weight-guide configured to fixedly store the at least one weight of the plurality of weights in the lower portion.

5. The industrial system of claim 1 , wherein the main drive is fixedly positioned on the top bearing frame.

6. The industrial system of claim 1 , wherein the main drive is fixedly positioned on a bearing structure ground.

7. The industrial system of claim 1 , wherein the industrial system further comprises:

a storage control system configured to monitor and provide diagnostic information about the industrial system, to provide operational control and to receive and execute commands from an electrical power grid operator; and

a data collection system.

8. The industrial system of claim 7 , wherein the energy cell further comprises an energy cell control system configured to communicate and receive data from the carriage the main drive, the two belt tensioners, and the storage control system.

9. The industrial system of claim 1 , wherein the top bearing frame further comprises guides configured to allow for horizontal movement of the trolley.

10. The industrial system of claim 1 , wherein the at least one weight of the plurality of weights comprises:

a weight-bearing frame; and

a weight body, fixed under the weight-bearing frame.

11. The industrial system of claim 1 , wherein the carriage comprises:

a carriage frame;

at least one carriage pulley;

a carriage controller;

a carriage energy source;

a carriage energy accumulator;

a coupling mechanism for fixing the weight to the carriage; and

a carriage drive system.

12. The industrial system of claim 1 , wherein the trolley comprises:

a trolley frame;

wheels configured to be in a first position and a second position, when the wheels are in the first position, the trolley is able to move horizontally on the top bearing frame, and when the wheels are in the second position, the trolley frame is fixed on the top bearing frame via

a trolley locking mechanism;

at least two similar free-rolling trolley pulleys; and

wheel position switching mechanism,

wherein the trolley is configured to bear a mass of the weight and the carriage when the wheels are in the second position and the trolley frame is fixed on the top bearing frame.

13. The industrial system of claim 1 , wherein the main drive comprises:

an electric motor-generator;

a drive pulley;

a friction enhancer;

a main drive control system; and

a main drive brake system.

14. The industrial system of claim 1 , wherein the belt is flat.

15. An industrial system for electric energy storage having a top bearing on the top of a bearing structure, the system comprising:

a plurality of weights;

at least two carriages configured to vertically move at least one weight of the plurality of weights and to fixedly store the weight on either a top portion or a bottom portion;

at least two trolleys configured to horizontally move the at least two carriages along the top bearing frame;

a belt having two belt tensioners, the belt is operably coupled to the carriages and the trolleys; and

a main drive coupled to the belt and configured to move the carriages wherein the system is configured to charge or discharge the system by moving the at least one weight of the plurality of weights from the lower portion to the upper portion or from the upper portion to the lower portion.

16. A method for electric energy storage comprising:

moving vertically a plurality of weights using a carriage and fixedly storing the weights on either an upper portion or a lower portion;

connecting a main drive of an industrial system for electric energy storage to the power grid in order for the power grid to receive or supply the electric energy, wherein

the main drive configured to move the at least one weight of the plurality of weights to charge or discharge the industrial system,

wherein the system is configured to charge by moving the at least one weight of the plurality of weights from the lower portion to the upper portion, and

wherein the system is configured to discharge by moving the at least one weight of the plurality of weights from the upper portion to the lower portion.