MATLAB Simulink电力系统建模与仿真 教学课件 于群 第7章　MATLAB在微机继电保护中的应用实例.pdf

绗?绔 MATLAB鍦ㄥ井鏈虹户鐢典繚鎶や腑鐨 搴旂敤瀹炰緥 7.1 绠€鍗曟暟瀛楁护娉㈠櫒鐨凪ATLAB杈呭姪璁捐鍜屽垎鏋愭柟娉 7.2 寰満缁х數淇濇姢绠楁硶鐨凪ATLAB杈呭姪璁捐鍜屽垎鏋愭柟娉 7.3 杈撶數绾胯矾璺濈淇濇姢鐨勫缓妯′笌浠跨湡 7.4 Simulink鍦ㄥ彉鍘嬪櫒寰満缁х數淇濇姢涓殑搴旂敤涓句緥 7.5 杈撶數绾胯矾鏁呴殰琛屾尝浠跨湡涓句緥 7.1 绠€鍗曟暟瀛楁护娉㈠櫒鐨凪ATLAB杈呭姪璁 璁″拰鍒嗘瀽鏂规硶 7.1.1 鍑忔硶婊ゆ尝鍣?宸垎婊ゆ尝鍣?绠€浠 7.1.2 鍑忔硶婊ゆ尝鍣ㄨ璁″垎鏋愪妇渚 7.1.1 鍑忔硶婊ゆ尝鍣?宸垎婊ゆ尝鍣?绠€浠 鍥?-1 鍑忔硶婊ゆ尝鍣ㄥ箙棰戠壒鎬 鍥?-2 婊ゆ尝鍣ㄧ殑骞呴鐗规€ 鍥?-3 婊ゆ尝鏁堟灉鐨勪豢鐪熸尝褰 7.2 寰満缁х數淇濇姢绠楁硶鐨凪ATLAB杈呭姪 璁捐鍜屽垎鏋愭柟娉 7.2.1 鍩轰簬姝ｅ鸡鍑芥暟妯″瀷鐨勫井鏈虹户鐢典繚鎶ょ畻娉 7.2.2 鍏ㄦ尝鍌呴噷鍙剁畻娉 7.2.1 鍩轰簬姝ｅ鸡鍑芥暟妯″瀷鐨勫井鏈虹户鐢典繚 鎶ょ畻娉 1. 涓ょ偣涔樼Н绠楁硶绠€浠 2. 涓ょ偣涔樼Н娉曡绠椾妇渚 1. 涓ょ偣涔樼Н绠楁硶绠€浠 鍥?-4 涓ょ偣涔樼Н绠楁硶閲囨牱绀烘剰鍥 鍥?-5 渚?-饊€婐€€ 2鐢佃矾鍥 鍥?-6 鍒╃敤涓ょ偣涔樼Н娉曡绠楀緱鍒扮殑杈撳叆淇″彿鏈夋晥鍊笺€佺浉浣嶅樊鍙婄數璺殑鐢甸樆銆佺數鎶 7.2.2 鍏ㄦ尝鍌呴噷鍙剁畻娉 1. 鍏ㄦ尝鍌呴噷鍙剁畻娉曠畝浠 2. 鍏ㄦ尝鍌呴噷鍙剁畻娉曠殑棰戠巼鐗规€у垎鏋 3. 鍒╃敤鍏ㄦ尝鍌呴噷鍙剁畻娉曡绠椾俊鍙峰箙鍊肩殑绠椾緥 1. 鍏ㄦ尝鍌呴噷鍙剁畻娉曠畝浠 鍥?-7 鍦ㄤ笉鍚屽垵鐩歌鎯呭喌涓嬪叏娉㈠倕閲屽彾绠楁硶鐨勫箙棰戠壒鎬 鍥?-8 鍒╃敤鍏ㄦ尝鍌呴噷鍙剁畻娉曡绠楄緭鍏ヤ俊鍙风殑骞呭€煎浘褰 7.3 杈撶數绾胯矾璺濈淇濇姢鐨勫缓妯′笌浠跨湡 7.3.1 鏂瑰悜闃绘姉缁х數鍣ㄧ殑鏁板妯″瀷 7.3.2 鏂瑰悜闃绘姉缁х數鍣ㄧ殑浠跨湡妯″瀷 7.3.3 浠跨湡缁撴灉 7.3.1 鏂瑰悜闃绘姉缁х數鍣ㄧ殑鏁板妯″瀷 1)鐢ㄥ箙鍊兼瘮杈冩柟寮忓垎鏋愬浘7-9a锛岀户鐢靛櫒鑳藉璧峰姩(鍗虫祴閲忛樆鎶梈 浣 J 浜庡渾鍐? 鐨勬潯浠舵槸 2)鐢ㄧ浉浣嶆瘮杈冩柟寮忓垎鏋愬浘7-9b锛屽綋Z 浣嶄簬鍦嗗懆涓婃椂锛岄樆鎶梈 涓?Z - J J J Z )涔嬮棿鐨勭浉浣嶅樊涓何俘90掳锛涘綋Z 浣嶄簬鍦嗗唴鏃讹紝胃锛?0 掳锛涘綋Z 浣 set J J 浜庡渾澶栨椂锛屛革紲90 掳銆 1)缁х數鍣ㄧ殑娴嬮噺闃绘姉姝ｆ瘮浜庣煭璺偣鍒颁繚鎶ゅ畨瑁呭湴鐐逛箣闂寸殑璺濈銆 2)缁х數鍣ㄧ殑娴嬮噺闃绘姉搴斾笌鏁呴殰绫诲瀷鏃犲叧锛屼篃灏辨槸淇濇姢鑼冨洿涓嶉殢鏁 闅滅被鍨嬭€屽彉鍖栥€ 鍥?-9 鏂瑰悜闃绘姉缁х數鍣ㄧ殑鐗规€ a)骞呭€兼瘮杈冩柟寮忓垎鏋 b)鐩镐綅姣旇緝鏂瑰紡鍒嗘瀽 琛?-1 闃绘姉缁х數鍣ㄩ噰鐢ㄤ笉鍚屾帴绾挎柟寮忔椂锛屾帴鍏ョ殑鐢靛帇鍜岀數娴佸叧绯 7.3.2 鏂瑰悜闃绘姉缁х數鍣ㄧ殑浠跨湡妯″瀷 1. 鐢靛姏绯荤粺Simulink浠跨湡妯″瀷 2. 鈥? 掳鎺ョ嚎鈥濈殑鏂瑰悜闃绘姉缁х數鍣ㄦā鍧楁瀯閫 3. 鈥滅浉鐢靛帇鍜屽叿鏈塊30琛ュ伩鐨勭浉鐢垫祦鎺ョ嚎鈥濈殑鏂瑰悜闃绘姉缁х數鍣 妯″