開關柜二次回路講義（含動圖）

1、開關柜二次回路VS1斷路器二次電氣接線原理圖分為幾部分一、儲能回路二、閉瑣回路三、合閘回路四、分閘回路五、信號回路儲能回路儲能回路2DK：空氣開關 V4：整流塊 M：儲能電機 S1、2、4：微動開關 QF：輔助開關 T:航空插頭 NK：儲能開關閉鎖回路閉鎖回路1DK：空氣開關 V1：整流塊 Y1：閉鎖線圈 QF：輔助開關S8：試驗位置常開接點 S9：工作位置常開接點合閘回路合閘回路1DK：空氣開關 V2：整流塊 KO：防跳躍繼電器 HQ：合閘線圈 SA：合閘按鈕QF：輔助開關 S3：微動開關 SO：閉鎖線圈常開接點 T:航空插頭 分閘回路1DK：空氣開關 V3：整流塊 TA：合閘按鈕 TQ：分

2、閘線圈QF：輔助開關 T:航空插頭 1DK1DK分閘回路信號回路信號回路L+L-INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFQFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN2-1 分閘合閘-初始狀態(tài)QA1斷開SA置于就地1、2接通開關在運行位置S9接通（試驗位置S8接通）儲能彈簧未儲能開關分閘L+L-INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFQFTQY1S9S8S2S41HL22

3、HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN2-2 分閘合閘- 回路加電合上QA12-3 分閘合閘-回路加電INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN合上QA1Y1得電2-4 分閘合閘-回路加電INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL

4、23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS0閉合Y1得電2-5 分閘合閘-回路加電INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INY1得電S0閉合綠燈亮2-6 分閘合閘-儲能INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELS

5、ELXB1XB2XB3QFWSKCOSELKA1INS0閉合儲能電機得電Y1得電綠燈亮2-7 分閘合閘-儲能中INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS0閉合儲能彈簧拉伸中Y1得電綠燈亮2-8 分閘合閘-儲能完成后INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSE

6、LSELSELXB1XB2XB3QFWSKCOSELKA1INS0閉合儲能電機停轉(zhuǎn)S1閉合S3閉合S4斷開S2斷開黃燈亮Y1得電綠燈亮儲能完成進行合閘2-9 分閘合閘-合閘中INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS0閉合儲能電機停轉(zhuǎn)S1閉合S3閉合S3斷開S2斷開黃燈亮Y1得電綠燈亮合閘線圈得電KO綠燈滅QF2-10 分閘合閘-真空開關合上后 INS1S0S3QA1QA12156SALRKA

7、1XB4KCOSELPMLPMLSB1SB2QFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS0閉合儲能電機停轉(zhuǎn)S3閉合S3斷開S2斷開黃燈亮Y1得電合閘線圈失電QF開關輔助接點變換紅燈亮QF斷開S1閉合QF閉合QF2-11 分閘合閘-真空開關合上后機械能量釋放INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS

8、0閉合儲能電機運轉(zhuǎn)儲能S1斷開S3閉合S3接通S2接通黃燈滅Y1得電綠燈滅合閘線圈失電QF開關輔助接點變換紅燈亮QF接通斷路器合位指示燈亮QF2-12 分閘合閘-儲能電機重新運轉(zhuǎn)儲能后INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN儲能電機停轉(zhuǎn)S3斷開S2斷開QFS1接通黃燈亮QF2-13 分閘合閘-分閘INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFH

9、QKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF按下SB2QF2-14 分閘合閘-分閘中INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQFTQ得電開關分閘 在開關合閘過程中分閘彈簧已經(jīng)被拉伸儲能。QF2-15 分閘合閘-分閘后INS1S0S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1

10、SB2KOQFHQKOQFL+L-QFTQY1S9S8S2S41HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQFQF接通綠燈亮QF3-1 防止開關跳躍原理S0S3QA1QA1PMLSB1KOQFHQKOL+L-10KV負載ABC按下SB110KV真空開關QFS0S3QA1QA1PMLSB1KOQFHQKOL+L-10KV負載ABC10KV真空開關HQ得電按下SB13-2 防止開關跳躍原理KO4QFS0S3QA1QA1PMLSB1QFHQKOL+L-真空開關合上10KV負載ABCQF接通KO得電12QF斷開按下SB13-3 防止開關跳躍原理QFS0S3QA1QA1PMLSB1KOQFHQKOL+L-真空開關合上10KV負載ABCQF接通KO得電KO1、4接通124QF斷開按下SB13-4 防止開關跳躍原理QFS0S3QA1QA1PMLSB1KOQFHQKOL+L-10KV負載ABC124 同時由于機構或負載有故障。在操作時造成開關合不上或事故跳閘按下SB1時間過長或無法返