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A network decoupling calculation method for real-time simulation of regional distribution network

A computing method and technology for simulating networks, applied in computing, electrical digital data processing, special data processing applications, etc., can solve problems such as large computational burden, infeasibility, inability to achieve real-time simulation, etc., and meet real-time requirements and scale. The effect of limiting and reducing the number of computing nodes

Active Publication Date: 2018-07-10
YUN NAN ELECTRIC TEST & RES INST GRP CO LTD ELECTRIC INST +2
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Problems solved by technology

However, due to the gradual expansion of the simulation scale of the regional distribution network, the order of the calculation matrix increases. If the network decoupling parallel calculation is not performed, the real-time simulation requirements cannot be met.
[0003] When the system scale of the regional distribution network is large, the use of detailed models to model and simulate it will bring a large computational burden, and in some cases it is even infeasible

Method used

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  • A network decoupling calculation method for real-time simulation of regional distribution network
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  • A network decoupling calculation method for real-time simulation of regional distribution network

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[0038] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0039] like figure 1 As shown, the network decoupling calculation method provided by the present invention mainly includes the following steps:

[0040] A1. Build a regional distribution network simulation model, and decouple the simulation network in blocks;

[0041] A2. Parallel simulation calculations are performed on the simulated network after block decoupling;

[0042] A3. Synchronous triggering is performed after the simulated network after block decoupling exchanges data.

[0043] The following is a detailed description of the network decoupling calculation method.

[0044] First, introduce step A1. Build a regional distribution network simulation model and decouple the simulation network in blocks:

[0045] Step 1: Select a long transmission line, parameterize all its distributions into centralized parameters, and divide ...

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Abstract

The invention discloses a network decoupling calculation method used for regional power distribution network real-time simulation. A regional power distribution network simulation model is set up for a long line, and a simulation network is decoupled in a partitioning model; simulation calculation is performed on sub-systems in parallel to form an additional admittance matrix, injection current sources of a conventional element and a connecting line are corrected and processed in a normal running mode and a failure state, and after data exchanging, simulation synchronization and other steps among different subnets are processed, the number of nodes of power distribution network calculation is effectively reduced. The calculation speed of the whole power distribution network simulation is improved, the problem that the scale of a regional power distribution network is gradually enlarged, so that the number of matrix orders is increased and then the requirement for real-time simulation is not met is solved, the calculation speed is high, and real-time performance is good.

Description

technical field [0001] The invention relates to a distribution network simulation calculation method, in particular to a network decoupling calculation method for real-time simulation of a regional distribution network, and belongs to the technical field of power system simulation. Background technique [0002] Power system real-time digital simulation (Real Time Digital Simulator, referred to as RTDS) can carry out the real-time simulation of the whole process of power system electromagnetic transient state, and is a powerful tool for studying power system planning, design and operation. The real-time digital simulation of power system must complete each step of the simulation process according to the timing requirements of the actual system operation, and the time scale of the simulation model is required to be completely equal to the time scale of the original model, that is, to meet the real-time simulation requirements. However, due to the gradual expansion of the simul...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00G06F17/50
CPCY02E60/00
Inventor 罗学礼穆世霞周年荣徐正清张林山张明崔玉峰韩佳兵严玉廷杨铭苏适
Owner YUN NAN ELECTRIC TEST & RES INST GRP CO LTD ELECTRIC INST
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