초록 ▼

A system for distributing medium to high voltage AC electric power from a wind farm to electrolyzer modules requiring DC power. The system includes one or more of each of a central step down n-pulse transformer, a non-regulated n-pulse rectifier, a regulated n-pulse chopper type DC-DC converter, res

A system for distributing medium to high voltage AC electric power from a wind farm to electrolyzer modules requiring DC power. The system includes one or more of each of a central step down n-pulse transformer, a non-regulated n-pulse rectifier, a regulated n-pulse chopper type DC-DC converter, respective electrolyzer module controllers, a dispatch controller, an alternative load, and an alternative power source.

대표청구항 ▼

1. A system for distributing electric power from a wind farm generating medium to high voltage AC electricity to a plurality of electrolyser modules for producing hydrogen comprising: a. power determination and monitoring means for at least one of measuring, estimating and predicting the power of sa

1. A system for distributing electric power from a wind farm generating medium to high voltage AC electricity to a plurality of electrolyser modules for producing hydrogen comprising: a. power determination and monitoring means for at least one of measuring, estimating and predicting the power of said AC electricity generated by the wind farm;b. transmission lines connected to said wind farm for transmitting said medium to high voltage AC electricity from said wind farm to the vicinity of said plurality of electrolyser modules;c. at least one central step down n-pulse transformer located proximate to said plurality of electrolyser modules for receiving said medium to high voltage AC electricity from said transmission lines and transforming it to low voltage AC electricity;d. at least one central non-regulated n-pulse rectifier for receiving said low voltage AC electricity from said at least one central step down n-pulse transformer and converting it to non-regulated low voltage DC electricity;e. at least one n-pulse DC bus connected to said at least one central non-regulated n-pulse rectifier for receiving and distributing said non-regulated low voltage DC electricity;f. at least one regulated n-pulse chopper type DC-DC converter associated with each of said plurality of electrolyser modules, each of said regulated n-pulse DC to DC converters connected to one of said at least one n-pulse DC bus, for receiving said non-regulated low voltage DC electricity from said one of said at least one n-pulse DC bus and supplying regulated DC electricity to each of said plurality of electrolyser modules;g. at least one electrolyser module controller for each of said plurality of electrolyser modules connected to its electrolyser module and its associated at least one regulated n-pulse DC-DC converter for controlling all functions of said plurality of electrolyser modules;h. at least one dispatch controller connected to said power determination and monitoring means and said at least one electrolyser module controller for monitoring said power determination and monitoring means and said at least one electrolyser module controller and for controlling said system for distributing electric power;i. at least one alternative load connected to at least one of said transmission lines, the low voltage side of said at least one central step down n-pulse transformer, and said at least one n-pulse DC bus, for demanding any of said electric power from said wind farm that is not demanded by said plurality of electrolyser modules;j. at least one alternative power source connected to at least one of the high voltage side and the low voltage side of said at least one central step down n-pulse transformer, and said at least one n-pulse DC bus, for supplying any of said electric power demanded by said plurality of electrolyser modules and not supplied by said wind farm;wherein n-pulse is one of 6-pulse, 12-pulse, and 24-pulse. 2. The system claimed in claim 1 wherein said at least one non-regulated n-pulse rectifier comprises at least one n-pulse diode rectifier, wherein n-pulse is one of 6-pulse, 12-pulse, and 24-pulse. 3. The system claimed in claim 1 wherein said at least one regulated n-pulse DC-DC converter associated with each of said plurality of electrolyser modules comprises at least one n-pulse chopper type converter, wherein n-pulse is one of 6-pulse, 12-pulse, and 24-pulse. 4. The system claimed in claim 1 wherein said at least one step down transformer for transforming said AC electricity to a lower voltage comprises at least one single stage step down transformer. 5. The system as claimed in claim 1 further comprising a power balancing controller. 6. The system as claimed in claim 1, wherein said at least one alternative load comprises at least one of a utility electrical grid, a local electrical grid, flywheels, batteries, capacitors, compressed air energy systems and dump loads. 7. The system as claimed in claim 1 wherein said at least one alternative power source comprises at least one of a utility electrical grid, a local electricity grid, flywheels, batteries, capacitors, compressed air energy systems and power generator sets. 8. A method for distributing electric power from a wind farm generating medium to high voltage AC electricity to a plurality of electrolyser modules for producing hydrogen comprising the steps of: a. at least one of measuring, estimating and predicting the power of said AC electricity generated by the wind farm;b. estimating power transmission and conversion losses;c. transmitting said medium to high voltage AC electricity to the vicinity of said plurality of electrolyser modules;d. transforming said AC electricity to low voltage AC electricity using at least one central step down n-pulse transformer;e. converting said low voltage AC electricity to non-regulated low voltage DC electricity using at least one central non-regulated n-pulse rectifier;f. distributing said non-regulated low voltage DC electricity via at least one n-pulse DC bus;g. receiving and regulating said non-regulated low voltage DC electricity using at least one regulated n-pulse chopper type DC-DC converter associated with each of said plurality of electrolyser modules and connected to at least one of said at least one n-pulse DC bus, and supplying regulated DC electricity to each of said plurality of electrolyser modules according to at least one of measured, estimated and predicted power of said medium to high voltage AC electricity generated by said wind farm and estimated power transmission and conversion losses;h. directing any of said electric power generated by said wind farm that is not demanded by said plurality of electrolyser modules to at least one alternative load;i. supplying any electric power demanded by said plurality of electrolyser modules that is not supplied by said wind farm from at least one alternative power sourcewhere n-pulse is one of 6-pulse, 12-pulse, and 24-pulse.