Petroleum fracturing direct-current transmission power system

A power system and DC transmission technology, applied in parallel operation of DC power supplies, DC network circuit devices, DC circuits can reduce harmonics/ripples, etc., can solve large equipment capacity, large system harmonics, shortened service life of equipment, etc. problems, to reduce weight and investment costs, lower speed regulation performance requirements, and eliminate mutual influence
CN112993965AInactive Publication Date: 2021-06-18山东汉德自动化控制设备有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
山东汉德自动化控制设备有限公司
Publication Date
2021-06-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention provides a petroleum fracturing direct-current transmission power system. The system comprises a power generation subsystem, a power transmission and distribution subsystem, a power transformation and distribution subsystem, a driving subsystem, an energy storage subsystem and an energy management subsystem; a power generation system and a driving system which are mutually independent in traditional electric fracturing are combined into a whole, and is unified as direct-current voltage in the form of electric energy; the direct current is transmitted to the driving end of each electric device through a bus; a driving device supplies power to the device through an inverter or a switch; and therefore, comprehensive utilization of energy of a whole well site is achieved.
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Description

technical field

[0001] The invention belongs to the technical field of power equipment, and in particular relates to a direct current transmission power system for petroleum fracturing. Background technique

[0002] Oil fracturing has experienced the era of diesel engine-driven fracturing, high-voltage motor-driven fracturing and low-voltage motor-driven fracturing. In the low-voltage motor-driven fracturing pump system, the power supply part adopts a 600V AC system. The system features are: the power generation subsystem adopts an AC power frequency synchronous generator set; the power transmission and distribution subsystem adopts an AC power frequency distribution network; The power distribution subsystem adopts AC power frequency transformer power distribution device; the drive subsystem adopts frequency converter; the system has no energy storage subsystem; the energy management subsystem adopts the basic energy management system. System-wide monitoring and basic energ...

Claims

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