Active power distribution network automatic voltage control method based on autonomous control areas
An active distribution network and control area technology, applied in the direction of AC network voltage adjustment, reactive power compensation, etc., can solve the problems of dependence on data collection information and difficult practical optimization solutions, and achieve the effect of reducing costs and avoiding dependence
Active Publication Date: 2018-05-08
CEEC JIANGSU ELECTRIC POWER DESIGN INST +3
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[0004] In order to solve the deficiencies in the prior art, the present invention provides an automatic voltage control method for active distribution networks based on autonomous control areas, which solves the dependence of research on automatic voltage control for active distribution networks based on optimization theory on data acquisition information and optimization to solve difficult-to-practical problems
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[0039] Such as figure 1 As shown, it is a schematic diagram of autonomous control area division. The autonomous control area includes the control area of reactive power adjustable equipment. The control area is the area formed from the section switch on the feeder to the end of the line or between the section switches on the feeder. area, the reactive power adjustable equipment is reactive power adjustable distributed power supply or reactive power compensation equipment. figure 1 The middle autonomous control area includes area 1 and area 2, and the active distribution network includes a distribution network automatic voltage control system and several autonomous control areas; figure 1 BK1 and BK2 are the incoming switches of the two feeders;
[0040] figure 1 Medium reactive power adjustable equipment includes: distributed power supply G and reactive power compensation equipment C (capacitive reactor, static var compensator (SVC)), which have reactive power adjustable c...
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The invention discloses an active power distribution network automatic voltage control method based on autonomous control areas. The method is characterized in that a power distribution network automatic voltage control system performs voltage reactive power control on a power distribution network by regarding the autonomous control areas as units, including voltage off-limit control and feed-linereactive off-limit control until the voltage and the reactive off-limit are eliminated. According to the method, the autonomous control areas are divided by regarding feed-line section switches as boundaries, the data acquisition configuration is improved by employing the switches and reactive adjustable equipment, the voltage levels in the areas can be represented, and the dependence on the completeness of data acquisition of the whole network is avoided; and the active power distribution network automatic voltage control is participated by regarding the autonomous control areas as the control units, coordinative control among the autonomous control areas, the non-autonomous control areas and the feed-line reactive power is considered, the setting of a coordination controller is avoidedin the process, and the cost is lowered.
Description
technical field [0001] The invention relates to the technical field of voltage and reactive power control of a distribution network, in particular to an automatic voltage control method for an active distribution network based on an autonomous control area. Background technique [0002] Automatic voltage control (AVC) technology has been widely used in high-voltage distribution network, but it is difficult to apply automatic voltage control technology in conventional medium-voltage distribution network due to less reactive power adjustable equipment and low automation level. The promotion and application of active distribution network technology has brought opportunities for the automatic voltage control of medium voltage distribution network. First of all, the active distribution network has introduced a large number of controllable distributed power sources, which makes the means of voltage and reactive power control of the distribution network more abundant; secondly, sma...
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IPC IPC(8): H02J3/16
CPCH02J3/16Y02E40/30
Inventor 姜华邹大云聂文海苏麟李文军闫安心晏阳李海滨钱康刘丽张曌张奇秦华梁大鹏谈金龙张雨薇赵阳李岩峰蒋科周洁郭政莼
Owner CEEC JIANGSU ELECTRIC POWER DESIGN INST