# US 5,699,666 A · Steam generating power station, process for operating the same, and interlinking network and process for its operation.

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- Number: US 5,699,666 A
- Document ID: US5699666A
- Status: Granted
- Kind: A
- Application number: 08/583,769
- Filed: 1996-01-11
- Granted: 1997-12-23
- Earliest claimed: 1991-11-21
- Assignees: Siemens Aktiengesellschaft
- Inventors: Heribert Kurten; Uwe Radtke; Wolfgang Taube; Horst Vollmar
- Web page: https://patentgrep.com/patent/US5699666A

## CPC

- H02J 15/00: Systems for storing electric energy specially adapted for power networks
- F01K 7/345: {Control or safety-means particular thereto}
- Y02E 40/60: Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
- Y02P 90/50: Energy storage in industry with an added climate change mitigation effect
- H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- F01K: STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES (gas-turbine or jet-propulsion plants F02; nuclear power plants, engine arrangements therein G21D)
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A steam generating power plant includes a generator connected to a network, a steam turbine driving the generator, a steam bleeder line being connected to the steam turbine and having a load-dependently adjustable valve, a system having a superconducting magnetic energy accumulator and being connected electrically parallel to the generator, and a control unit. The control unit furnishes electrical power directly from the superconducting energy accumulator to level a power deficit lasting on the order of several seconds in the network and the control unit at the same time adjusts the valve to increase steam available to the steam turbine. A process for operating a steam generating power plant, an interlocking electrical network in combination with a number of steam generating power plants, and a process for operating the interlinking network in combination with the steam generating power plants, are also provided.

## Claims

### Claim 1

In combination, an interlocking electrical network, a steam generating power plant connected to the interlocking electrical network, and a system for superconducting magnetic energy accumulation disposed independently of and remotely from said power plant at a junction of said electrical network, comprising:
a steam turbine in said steam generating power plant;
a steam bleeder line connected to said steam turbine; and
a control unit for furnishing electrical power into the electrical network directly from said superconducting magnetic accumulator to level a power deficit lasting on the order of several seconds, and simultaneously, said control unit increasing steam available to said steam turbine.