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Power Systems with Instantaneous Control

A power system and power technology, applied in the field of power system with instantaneous control, can solve problems such as inability to use AC power system application, system limitation, insufficiency, etc.

Inactive Publication Date: 2015-12-09
CATERPILLAR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] While the system of the '321 patent would help minimize power fluctuations in direct current generation applications, the system would be limited
That is, control based solely on the response to the DC voltage output (too much or not enough) is not sufficient in some cases
Additionally, the system of the '321 patent would not be usable for AC power system applications

Method used

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  • Power Systems with Instantaneous Control
  • Power Systems with Instantaneous Control

Examples

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Embodiment Construction

[0013] figure 1 An exemplary power system 10 is illustrated in accordance with some disclosed embodiments. Power system 10 may be configured to provide backup power to external loads 12 . In an exemplary embodiment, backup power may include backup power provided to external loads 12 immediately upon interruption of power supplied from utility grid 14 . It is contemplated, however, that in some embodiments the power system 10 may also be configured as a mains power source, if desired. Such as figure 1 As shown, the power system 10 may include a generator set 16 and a transient load management system (TLMS) 18 . Genset 16 and TLMS 18 are connectable to each other and both to external load 12 through power transmission network 20 and connection 22 .

[0014] Utility grid 14 may be an electrical power generation and / or distribution system that generates and transmits electrical power via a centralized electrical grid. In one embodiment, the utility grid 14 may be configured a...

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Abstract

A power system is disclosed. The power system may have an engine with a desired operating speed range, and a generator mechanically driven by the engine to produce electrical power directed to an external load. The power system may also have a power storage device associated with at least one of the engine and the generator, and a controller in communication with the engine and the power storage device. The controller may be configured to determine a speed of the engine deviating from the desired operating range, and to activate the power storage device to absorb or supplement at least a portion of the electrical power directed to the external load based on the determination.

Description

technical field [0001] The present invention relates generally to a power system, and more particularly to a power system with instantaneous control. Background technique [0002] A generator set includes a combination of an electrical generator and a prime mover, such as a combustion engine. As the mixture of fuel and air is combusted within the engine, a mechanical rotation is created that drives a generator to generate electricity. Ideally, the engine drives the generator at relatively constant torque and speed, and the generator thus produces an electrical output with relatively constant characteristics (frequency, voltage, etc.). [0003] Gensets are often used as backup power. That is, a mains power source, such as a public grid, is often connected to provide power supply for critical applications, such as powering hospitals or manufacturing facilities. And, in the event of main power failure, the generator set is online to provide backup power for critical applicat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D29/06F02B63/04F02D41/04
CPCF02D29/06F02B63/04F02D31/001F02D41/021F02D2250/24
Inventor S·R·康威B·M·弗里
Owner CATERPILLAR INC
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