臺(tái)灣油研A10-FR01H-12柱塞泵yuken,PV2R3-116-F-RAA-31,PV2R4-153-F-RAA-30,PV2R4-184-F-RAA-30,PV2R4-200-F-RAA-30,PV2R4-237-F-RAA-30,PV2R4-136-F-RAA-30,PV2R12-31-53-F-RAAA-41,PV2R12-31-59-F-RAAA-41,PV2R12-31-65-F-RAAA-41,PV2R12-31-53-F-REAA-41,PV2R12-31-59-F-REAA-41,PV2R12-31-65-F-REAA-41,PV2R12-6-26-F-RAAA-41,PVR12-6-33-F-RAAA-41,PV2R12-6-41-F-RAAA-41,PV2R12-8-26-F-RAAA-41,PV2R12-8-33-F-RAAA-41,PV2R12-8-41-F-RAAA-41,PV2R12-10-26-F-RAAA-41,PV2R12-10-33-F-RAAA-41,2 防跳回路的試驗(yàn)方法及注意事項(xiàng)防跳回路的常見(jiàn)試驗(yàn)方法是給一個(gè)持續(xù)的合閘脈沖,再給一個(gè)足夠短的分閘脈沖。若開(kāi)關(guān)出現(xiàn)再次合閘的行為,若非保護(hù)重合閘的原因,則開(kāi)關(guān)沒(méi)防跳功能。若開(kāi)關(guān)沒(méi)有出現(xiàn)合閘的行為,也有可能是其他原因,而實(shí)際開(kāi)關(guān)沒(méi)接防跳功能。看開(kāi)關(guān)防跳回路是否起作用,除了看試驗(yàn)結(jié)果,還要看試驗(yàn)對(duì)象,同時(shí)應(yīng)除去人為誤覺(jué)因素。不同類型的開(kāi)關(guān),現(xiàn)象會(huì)不同,10kV電磁式機(jī)構(gòu)開(kāi)關(guān),其分合閘是瞬間完成的,其跳躍現(xiàn)象是連續(xù)性的,而彈簧操作結(jié)構(gòu)或氣動(dòng)、液壓機(jī)構(gòu)分合閘時(shí)需要儲(chǔ)能過(guò)程,其跳躍現(xiàn)象是間續(xù)性的。電磁式開(kāi)關(guān),由于合閘的能量來(lái)自于開(kāi)關(guān)電磁機(jī)構(gòu)瞬時(shí)釋放的電磁能,不需要時(shí)間來(lái)完成開(kāi)關(guān)合閘前儲(chǔ)能。試驗(yàn)時(shí)只需按住開(kāi)關(guān)的合閘按鈕(KK合閘位置),給開(kāi)關(guān)一個(gè)分閘脈沖,這是沒(méi)有防跳功能的開(kāi)關(guān)會(huì)出現(xiàn)連續(xù)的“跳合跳合”現(xiàn)象。再則電磁式開(kāi)關(guān)一般用于10kV電壓等級(jí),其分合閘速度不如其他較高電壓等級(jí)的開(kāi)關(guān),跳躍時(shí)會(huì)發(fā)出清晰-噼-啪-噼-啪分合聲音。彈簧儲(chǔ)能式(彈操式)的開(kāi)關(guān),其合閘能量來(lái)自合閘彈簧(已處于儲(chǔ)能狀態(tài))釋放的機(jī)械能,該能量一部分用于開(kāi)關(guān)的合閘,PV2R12-10-41-F-RAAA-41,PV2R12-6-26-F-REAA-41,PV2R12-6-33-F-REAA-41,PV2R12-6-41-F-REAA-41,PV2R12-8-26-F-REAA-41,PV2R12-8-33-F-REAA-41,PV2R12-8-41-F-REAA-41,PV2R12-10-26-F-REAA-41,PV2R12-10-33-F-REAA-41,PV2R12-10-41-F-REAA-41,PV2R12-12-26-F-RAAA-41,PVR12-12-33-F-RAAA-41,PV2R12-12-41-F-RAAA-41,PV2R12-14-26-F-RAAA-41,PV2R12-14-33-F-RAAA-41,PV2R12-14-41-F-RAAA-41,PV2R12-17-26-F-RAAA-41,PV2R12-17-33-F-RAAA-41,PV2R12-17-41-F-RAAA-41,PV2R12-12-26-F-REAA-41, 高效能、省空間特殊設(shè)計(jì),安裝尺寸與通稱6通徑之
臺(tái)灣油研A10-FR01H-12柱塞泵yuken,DSG-01系列相同,但整體長(zhǎng)度縮短18cm(DC雙頭),適用於製鞋機(jī)械、工作機(jī)械及低壓自動(dòng)化設(shè)備。DSG-01 系列?採(cǎi)用強(qiáng)力濕式電磁線圈和合理的鑄件流路設(shè)計(jì)而實(shí)現(xiàn)高壓、大流量、低壓力損失的電磁換向閥。?因有多種閥軸型式,各種電磁線圈可供選擇的功能,因此對(duì)任何系統(tǒng)均能選擇最適用的閥。DSG-03 系列?採(cǎi)用強(qiáng)力濕式電磁線圈和合理的鑄件流路設(shè)計(jì)而實(shí)現(xiàn)高壓、大流量、低壓力損失的電磁換向閥。?因有多種閥軸型式,各種電磁線圈可供選擇的功能,因此對(duì)任何系統(tǒng)均能選擇最適用的閥。?壓力損失減少到以往產(chǎn)品的一半。?通過(guò)合理化閥體鑄件設(shè)計(jì),實(shí)現(xiàn)了輕型化。?PV2R12-12-33-F-REAA-41,PV2R12-12-41-F-REAA-41,PV2R12-14-26-F-REAA-41,PV2R12-14-33-F-REAA-41,PV2R12-14-41-F-REAA-41,PV2R12-17-26-F-REAA-41,PV2R12-17-33-F-REAA-41,PV2R12-17-41-F-REAA-41,PV2R12-19-26-F-RAAA-41,PV2R12-19-33-F-RAAA-41,PV2R12-19-41-F-RAAA-41,PV2R12-23-26-F-RAAA-41,PV2R12-23-33-F-RAAA-41,PV2R12-23-41-F-RAAA-41,PV2R12-25-26-F-RAAA-41,PV2R12-25-33-F-RAAA-41,PV2R12-25-41-F-RAAA-41,PV2R12-19-26-F-REAA-41一部分用在給分閘彈簧儲(chǔ)能。合閘彈簧的儲(chǔ)能是開(kāi)關(guān)機(jī)構(gòu)箱的儲(chǔ)能電機(jī)來(lái)完成,其儲(chǔ)能時(shí)間大約為十幾秒至二十秒。在試驗(yàn)此類開(kāi)關(guān)時(shí),我們可將開(kāi)關(guān)設(shè)于合閘位置,合閘彈簧已經(jīng)儲(chǔ)滿能量,給開(kāi)關(guān)一個(gè)持續(xù)的合閘脈沖,再給一個(gè)分閘脈沖,結(jié)果開(kāi)關(guān)跳開(kāi)后沒(méi)有再次合閘行為便可以說(shuō)明開(kāi)關(guān)已經(jīng)接入防跳功能。但試驗(yàn)時(shí)應(yīng)注意開(kāi)關(guān)跳躍時(shí)在聲音及動(dòng)作過(guò)程與電磁式的不同。廣東某一500kV變電站在投產(chǎn)階段,由于調(diào)試人員沒(méi)有就地觀察,以試驗(yàn)電磁式開(kāi)關(guān)的現(xiàn)象作為判據(jù),調(diào)試時(shí)只在遠(yuǎn)處(測(cè)控屏)按住合閘按鈕后按分閘開(kāi)關(guān)按鈕,聽(tīng)到開(kāi)關(guān)一聲響,沒(méi)有再聽(tīng)到開(kāi)關(guān)動(dòng)作聲響,松開(kāi)分合閘按鈕。見(jiàn)測(cè)控屏開(kāi)關(guān)分閘位置指示燈亮,以為開(kāi)關(guān)跳開(kāi)后沒(méi)有持續(xù)的分合聲音就判斷開(kāi)關(guān)已經(jīng)接入防跳功能。但在投產(chǎn)后一年保護(hù)定檢時(shí),檢查回路發(fā)現(xiàn)開(kāi)關(guān)保護(hù)屏操作箱及開(kāi)關(guān)本體機(jī)構(gòu)箱均沒(méi)接入防跳回路。后邊按照開(kāi)關(guān)投產(chǎn)前的方法再次試驗(yàn),發(fā)現(xiàn)當(dāng)時(shí)試驗(yàn)存在以下問(wèn)題:1、 聽(tīng)覺(jué)出錯(cuò),開(kāi)關(guān)在這一聲響中,其實(shí)開(kāi)關(guān)已完成一次分閘-合閘-分閘的過(guò)程,由于該彈簧儲(chǔ)能式的開(kāi)關(guān)應(yīng)用于較高電壓等級(jí),其分合閘速度比電磁式快了很多,,PV2R12-19-33-F-REAA-41,PV2R12-19-41-F-REAA-41,PV2R12-23-26-F-REAA-41,PV2R12-23-33-F-REAA-41,PV2R12-23-41-F-REAA-41,PV2R12-25-26-F-REAA-41,PV2R12-25-33-F-REAA-41,PV2R12-25-41-F-REAA-41,PV2R12-31-33-F-RAAA-41,PV2R12-31-41-F-RAAA-41,PV2R12-31-47-F-RAAA-41,PV2R12-31-33-F-REAA-41,PV2R12-31-41-F-REAA-41,PV2R12-31-47-F-REAA-41,安全門開(kāi)關(guān),利用極限開(kāi)關(guān)確認(rèn),可正確監(jiān)視閥芯切換位置。?監(jiān)視開(kāi)關(guān)與外界完全隔離,不受汙染影響。?閥整體防塵防水等級(jí)IP65。?不受外部磁場(chǎng)干擾。使用近接開(kāi)關(guān)直接感應(yīng)提動(dòng)閥動(dòng)作,監(jiān)視插裝邏輯閥的開(kāi)關(guān)狀態(tài)。?提動(dòng)閥開(kāi)啟瞬間,即可檢知信號(hào)。?提動(dòng)閥帶緩衝,切換衝擊小。?防塵防水等級(jí)IP65。