CN105119267B - A kind of power grid static voltage stability horizontal analysis method - Google Patents
A kind of power grid static voltage stability horizontal analysis method Download PDFInfo
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- CN105119267B CN105119267B CN201510396169.8A CN201510396169A CN105119267B CN 105119267 B CN105119267 B CN 105119267B CN 201510396169 A CN201510396169 A CN 201510396169A CN 105119267 B CN105119267 B CN 105119267B
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Abstract
Description
BPA data names | Database field is named |
B* | AC Bus_Card Key |
OWNER | AC Bus_Owner |
Name | AC Bus_Name |
KV | AC Bus_KV |
ZONE | AC Bus_Zone |
LOAD P(MW) | AC Bus_Load P |
LOAD Q(MVar) | AC Bus_Load Q |
PMAX(MW) | AC Bus_Pmax |
PGEN(MW) | AC Bus_PGen |
Sequence number | Power transformation station name | 110kV sides(Mvar) |
1 | A substations | -309 |
2 | B substations | -214 |
3 | C substations | -144 |
4 | D substations | -226 |
5 | E substations | -284 |
Before failure | A station owners become N-1 | A station owners become N-2 | |
Initial voltage | 0.98 | 0.9457 | 0.9747 |
Limiting voltage | 0.61 | 0.6295 | 0.8291 |
Reserve factor | 38% | 33% | / |
Normal duty | 1152 | 1152 | 1152 |
Power limit | 2075 | 1635 | 399 |
Power margin | 80% | 42% | -65% |
Before failure | A sections N-1 | A sections N-2 | |
Initial voltage | 0.99 | 0.98 | 0.96 |
Recover power | 4061 | 4058 | 4056 |
Limiting voltage | 0.91 | 0.89 | 0.90 |
Power limit | 6314 | 6092 | 5323 |
Nargin coefficient | 55% | 50% | 31% |
Sequence number | Nodename | Participate in the factor |
1 | A substations 10kV busbares | 1.000 |
2 | A substations 110kV busbares | 0.966 |
3 | B substations 10kV busbares | 0.737 |
4 | B substations 110kV busbares | 0.727 |
5 | C substations 10kV busbares | 0.560 |
Claims (1)
- A kind of 1. power grid static voltage stability horizontal analysis method, it is characterised in that comprise the following steps:Step S1:Determine forcasted years mode data;Step S2:Form stable state and calculate data file;Step S3:The stable state formed according to step S2 calculates data files, carries out basic tidal current analysis calculating, if result of calculation is received Hold back, trend is reasonably distributed and voltage is not out-of-limit, then enter step S4, otherwise return to step S1;Step S4:Form contingency set;Step S5:Static voltage stability analysis;Step S6:Weak node identifies;Step S7:Formulate measure for improvement;Wherein, the step S5 specifically includes following steps:Step S51:Design calculates scene;Step S52:Determine the result index of static voltage stability analysis;Step S53:Index in calculation procedure S52, and judge whether each margin index is exceeded, and S6 is entered step if exceeded, Otherwise, return to step S1;Wherein, it is abundant to include load bus power margin, region/the whole network power for the result index of the static voltage stability analysis Degree, static voltage stability reserve factor and section transmission power limit;Wherein, the step S6 is specially:Based on step S5 static voltage stabilities calculate as a result, at stability limit point carry out Model analysis, determines spread of voltage region in system and loses stable characteristic feature, so realize weak node identification 'Wherein, forcasted years mode described in the step S1 includes annual peak load mode, year minimum load mode and power grid Each maintenance mode;Wherein, the step S2 is specially:Using database technology, the contrast relationship of power grid CIM model and BPA models is established Table, is then based on power grid E files, and the data of BPA models are quickly updated, and generates BPA flow data files, and then obtain Stable state calculates data file;Wherein, the contingency set described in the step S4 includes power grid normal mode and electric network fault mode, the power grid event Barrier mode includes the locking of direct current monopole, DC bipolar block, contact with foreign countries circuit N-1, common-tower double-return N-2, circuit N- in region 1st, circuit N-2 in region, main transformer N-1 in region;Wherein, the step S6 is specially:Based on step S5 static voltage stabilities calculate as a result, on P-V curves any point Model analysis is carried out, spread of voltage region in system is determined and loses stable characteristic feature, and then realize weak node Identification;Wherein, measure includes prevention and control, emergent control and planning proposal in the step S7.
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105490281B (en) * | 2015-12-04 | 2018-01-09 | 国网内蒙古东部电力有限公司电力科学研究院 | Layering and zoning reactive voltage analysis method based on boundary condition |
CN105913148A (en) * | 2016-04-11 | 2016-08-31 | 国家电网公司 | On-line platform-based power grid accident pre-arranged plan automatic realization method |
CN107069747B (en) * | 2017-03-27 | 2019-07-26 | 国网浙江省电力公司电力科学研究院 | A kind of minimum start-up mode based on regional voltage stabilization determines method |
CN106972494A (en) * | 2017-05-18 | 2017-07-21 | 广西大学 | A kind of AC-DC hybrid power grid sends section conveying power optimization method outside |
CN109167357A (en) * | 2018-10-18 | 2019-01-08 | 国网山东省电力公司泰安供电公司 | A method of the optimization power grid static security analysis time |
CN110955959A (en) * | 2019-11-11 | 2020-04-03 | 中国南方电网有限责任公司 | Method and device for rapidly generating and calculating faults of power system in batches |
CN111509699B (en) * | 2020-04-02 | 2023-03-28 | 贵州电网有限责任公司 | Voltage out-of-limit control decision method considering reactor consolidation |
Citations (1)
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CN104734151A (en) * | 2015-03-31 | 2015-06-24 | 河南行知专利服务有限公司 | Electric system static security assessment method |
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US8738191B2 (en) * | 2010-09-17 | 2014-05-27 | Sarantos K. Aivaliotis | System and method for power grid management |
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CN104734151A (en) * | 2015-03-31 | 2015-06-24 | 河南行知专利服务有限公司 | Electric system static security assessment method |
Non-Patent Citations (3)
Title |
---|
基于CIM的电力系统安全分析可视化系统;王腾飞;《中国优秀硕士学位论文全文数据库 工程科技II辑》;20120815(第8期);C042-134 * |
大型互联电网在线预决策系统中的若干问题的研究;许剑冰;《中国博士学位论文全文数据库 工程科技II辑》;20060815(第8期);C042-39 * |
电力系统规划与静态安全评估软件设计与实现;张节潭等;《电网技术》;20080905;第32卷(第17期);第52-57页 * |
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