海上風電接入電網(wǎng)建模與故障穿越技術

目 錄
前言
第1 章 概述 ·················································································· 1
1.1 全球海上風電發(fā)展概述 ··························································1
1.2 中國海上風電發(fā)展概述 ··························································3
1.3 海上風電技術發(fā)展特點 ··························································4
1.4 海上風電場并網(wǎng)導則 ·····························································6
第2 章 雙饋風電機組建模與特性分析 ··············································· 20
2.1 風力渦輪機模塊 ································································· 20
2.2 發(fā)電機側變流器控制模塊 ····················································· 22
2.3 網(wǎng)側變流器控制模塊 ··························································· 25
2.4 風速模塊 ·········································································· 28
2.5 傳動系統(tǒng)模塊 ···································································· 28
2.6 Crowbar 保護電路 ······························································· 29
2.7 超級電容模塊 ···································································· 29
2.8 高低電壓穿越模塊 ······························································ 31
2.9 高低電壓穿越控制策略 ························································ 33
2.10 整機模型及驗證 ································································ 35
第3 章 永磁半直驅風電機組建模與特性分析 ······································ 43
3.1 永磁同步發(fā)電機模塊 ··························································· 43
3.2 機側變流器控制模塊 ··························································· 44
3.3 網(wǎng)側變流器控制模塊 ··························································· 45
3.4 PWM 調(diào)制模塊 ·································································· 48
3.5 負序控制模塊 ····································································· 49
3.6 虛擬阻尼模塊 ····································································· 51
3.7 高低電壓穿越模塊 ······························································· 52
3.8 Chopper 保護模塊 ································································ 55
3.9 高低電壓穿越控制策略 ························································· 56
3.10 整機模型及驗證 ································································ 58
第4 章 風電場的等值模型及特性分析 ··············································· 83
4.1 風電場等值目標及思路 ························································· 83
4.2 基于風速因子的風電場分群方法 ············································· 87
4.3 風電場等值參數(shù)計算方法 ······················································ 90
4.4 等值模型仿真驗證 ······························································· 95
第5 章 柔性直流輸電在海上風電并網(wǎng)中的應用 ································· 102
5.1 柔性直流輸電概述 ····························································· 102
5.2 海上風電柔性直流并網(wǎng)特點 ················································· 105
5.3 柔性直流輸電基本工作原理 ················································· 106
5.4 柔性直流輸電并網(wǎng)對風電場的要求 ········································ 119
第6 章 柔性直流并網(wǎng)系統(tǒng)建模及特性分析 ······································· 123
6.1 柔性直流輸電系統(tǒng)及其控制 ················································· 123
6.2 關鍵控制模塊及建模 ·························································· 124
6.3 并網(wǎng)柔直故障穿越及其控制策略 ··········································· 132
6.4 并網(wǎng)柔直系統(tǒng)與海上風電場協(xié)調(diào)控制 ····································· 140
6.5 交直流并網(wǎng)模式仿真對比及特性分析 ····································· 143
第7 章 含高比例海上風電局部電網(wǎng)暫態(tài)建模仿真 ······························ 148
7.1 局部電網(wǎng)構建 ··································································· 148
7.2 海上風電場穩(wěn)態(tài)特性仿真 ···················································· 159
7.3 海上風電高、低電壓穿越特性仿真 ········································ 170
7.4 海上風電頻率特性仿真 ······················································· 182
7.5 柔直并網(wǎng)海上風電協(xié)調(diào)控制特性仿真 ···································· 185
7.6 諧波仿真及治理 ······························································· 191
7.7 工頻過電壓仿真分析 ························································· 202
第8 章 海上風電并網(wǎng)對電網(wǎng)穩(wěn)定性的影響 ······································· 223
8.1 大規(guī)模海上風電脫網(wǎng)風險及對系統(tǒng)安全穩(wěn)定的影響 ·················· 223
8.2 海上風電場對電能質量的影響 ············································· 234
8.3 海上風電場工頻過電壓問題及對系統(tǒng)的影響 ··························· 242
8.4 海上風電并網(wǎng)對電網(wǎng)規(guī)劃發(fā)展的影響 ···································· 253