陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,韓國Sinwoo S-CON變送器。中山立訊電氣有限公司,中山朗立電氣有限公司
PDB-1A1-W PDB-1A1-X PDB-1A1-Y PDB-1A1-Z
PDB-1A2-W PDB-1A2-X PDB-1A2-Y PDB-1A2-Z
PDB-1A3-W PDB-1A3-X PDB-1A3-Y PDB-1A3-Z
PDB-1AR-W PDB-1AR-X PDB-1AR-Y PDB-1AR-Z
PDB-1B1-W PDB-1B1-X PDB-1B1-Y PDB-1B1-Z
PDB-1B2-W PDB-1B2-X PDB-1B2-Y PDB-1B2-Z
PDB-1B3-W PDB-1B3-X PDB-1B3-Y PDB-1B3-Z
PDB-1BR-W PDB-1BR-X PDB-1BR-Y PDB-1BR-Z
PDB-1R1-W PDB-1R1-X PDB-1R1-Y PDB-1R1-Z
PDB-1R2-W PDB-1R2-X PDB-1R2-Y PDB-1R2-Z
PDB-1R3-W PDB-1R3-X PDB-1R3-Y PDB-1R3-Z
PDB-1RR-W PDB-1RR-X PDB-1RR-Y PDB-1RR-Z
PDB-2A1-W PDB-2A1-X PDB-2A1-Y PDB-2A1-Z
PDB-2A2-W PDB-2A2-X PDB-2A2-Y PDB-2A2-Z
PDB-2A3-W PDB-2A3-X PDB-2A3-Y PDB-2A3-Z
PDB-2AR-W PDB-2AR-X PDB-2AR-Y PDB-2AR-Z
PDB-2B1-W PDB-2B1-X PDB-2B1-Y PDB-2B1-Z
PDB-2B2-W PDB-2B2-X PDB-2B2-Y PDB-2B2-Z
PDB-2B3-W PDB-2B3-X PDB-2B3-Y PDB-2B3-Z
PDB-2BR-W PDB-2BR-X PDB-2BR-Y PDB-2BR-Z
PDB-2R1-W PDB-2R1-X PDB-2R1-Y PDB-2R1-Z
PDB-2R2-W PDB-2R2-X PDB-2R2-Y PDB-2R2-Z
PDB-2R3-W PDB-2R3-X PDB-2R3-Y PDB-2R3-Z
PDB-2RR-W PDB-2RR-X PDB-2RR-Y PDB-2RR-Z
P/D-4AA-W P/D-4AA-X P/D-4AA-Y P/D-4AA-Z
P/D-4AB-W P/D-4AB-X P/D-4AB-Y P/D-4AB-Z
P/D-4AC-W P/D-4AC-X P/D-4AC-Y P/D-4AC-Z
P/D-4AD-W P/D-4AD-X P/D-4AD-Y P/D-4AD-Z
P/D-4AR-W P/D-4AR-X P/D-4AR-Y P/D-4AR-Z
P/D-4AN-W P/D-4AN-X P/D-4AN-Y P/D-4AN-Z
P/D-4BA-W P/D-4BA-X P/D-4BA-Y P/D-4BA-Z
P/D-4BB-W P/D-4BB-X P/D-4BB-Y P/D-4BB-Z
P/D-4BC-W P/D-4BC-X P/D-4BC-Y P/D-4BC-Z
電流I2l的方向從T2流向T1。由特性曲線可知，這時(shí)雙向可控硅觸發(fā)導(dǎo)通規(guī)律是按第二象限的特性進(jìn)行的，又因?yàn)橛|發(fā)信號(hào)是正向的，所以把這種觸發(fā)叫做“象限的正向觸發(fā)”或稱為I+觸發(fā)方式。(2)如果主電極T2仍加正向電壓，而把觸發(fā)信號(hào)改為反向信號(hào)(圖5b)，這時(shí)雙向可控硅觸發(fā)導(dǎo)通后，通態(tài)電流的方向仍然是從T2到T1。我們把這種觸發(fā)叫做“象限的負(fù)觸發(fā)”或稱為I-觸發(fā)方式。(3)兩個(gè)主電極加上反向電壓U12(圖5c)，輸入正向觸發(fā)信號(hào)，雙向可控硅導(dǎo)通后，通態(tài)電流從T1流向T2。雙向可控硅按第三象限特性曲線工作，因此把這種觸發(fā)叫做Ⅲ+觸發(fā)方式。(4)兩個(gè)主電極仍然加反向電壓U12，輸入的是反向觸發(fā)信號(hào)(圖5d)。
陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,
P/D-4BD-W P/D-4BD-X P/D-4BD-Y P/D-4BD-Z
P/D-4BR-W P/D-4BR-X P/D-4BR-Y P/D-4BR-Z
P/D-4BN-W P/D-4BN-X P/D-4BN-Y P/D-4BN-Z
P/D-4CA-W P/D-4CA-X P/D-4CA-Y P/D-4CA-Z
P/D-4CB-W P/D-4CB-X P/D-4CB-Y P/D-4CB-Z
P/D-4CC-W P/D-4CC-X P/D-4CC-Y P/D-4CC-Z
P/D-4CD-W P/D-4CD-X P/D-4CD-Y P/D-4CD-Z
P/D-4CR-W P/D-4CR-X P/D-4CR-Y P/D-4CR-Z
P/D-4CN-W P/D-4CN-X P/D-4CN-Y P/D-4CN-Z
P/D-4DA-W P/D-4DA-X P/D-4DA-Y P/D-4DA-Z
P/D-4DB-W P/D-4DB-X P/D-4DB-Y P/D-4DB-Z
P/D-4DC-W P/D-4DC-X P/D-4DC-Y P/D-4DC-Z
P/D-4DD-W P/D-4DD-X P/D-4DD-Y P/D-4DD-Z
P/D-4DR-W P/D-4DR-X P/D-4DR-Y P/D-4DR-Z
P/D-4DN-W P/D-4DN-X P/D-4DN-Y P/D-4DN-Z
P/D-4RA-W P/D-4RA-X P/D-4RA-Y P/D-4RA-Z
P/D-4RB-W P/D-4RB-X P/D-4RB-Y P/D-4RB-Z
P/D-4RC-W P/D-4RC-X P/D-4RC-Y P/D-4RC-Z
P/D-4RD-W P/D-4RD-X P/D-4RD-Y P/D-4RD-Z
P/D-4RR-W P/D-4RR-X P/D-4RR-Y P/D-4RR-Z
P/D-4RN-W P/D-4RN-X P/D-4RN-Y P/D-4RN-Z
P/D-9AA-W P/D-9AA-X P/D-9AA-Y P/D-9AA-Z
P/D-9AB-W P/D-9AB-X P/D-9AB-Y P/D-9AB-Z
P/D-9AC-W P/D-9AC-X P/D-9AC-Y P/D-9AC-Z
P/D-9AD-W P/D-9AD-X P/D-9AD-Y P/D-9AD-Z
P/D-9AR-W P/D-9AR-X P/D-9AR-Y P/D-9AR-Z
P/D-9AN-W P/D-9AN-X P/D-9AN-Y P/D-9AN-Z
P/D-9BA-W P/D-9BA-X P/D-9BA-Y P/D-9BA-Z
P/D-9BB-W P/D-9BB-X P/D-9BB-Y P/D-9BB-Z
P/D-9BC-W P/D-9BC-X P/D-9BC-Y P/D-9BC-Z
P/D-9BD-W P/D-9BD-X P/D-9BD-Y P/D-9BD-Z
P/D-9BR-W P/D-9BR-X P/D-9BR-Y P/D-9BR-Z
P/D-9BN-W P/D-9BN-X P/D-9BN-Y P/D-9BN-Z
P/D-9CA-W P/D-9CA-X P/D-9CA-Y P/D-9CA-Z
P/D-9CB-W P/D-9CB-X P/D-9CB-Y P/D-9CB-Z
P/D-9CC-W P/D-9CC-X P/D-9CC-Y P/D-9CC-Z
P/D-9CD-W P/D-9CD-X P/D-9CD-Y P/D-9CD-Z
P/D-9CR-W P/D-9CR-X P/D-9CR-Y P/D-9CR-Z
P/D-9CN-W P/D-9CN-X P/D-9CN-Y P/D-9CN-Z
P/D-9DA-W P/D-9DA-X P/D-9DA-Y P/D-9DA-Z
P/D-9DB-W P/D-9DB-X P/D-9DB-Y P/D-9DB-Z
P/D-9DC-W P/D-9DC-X P/D-9DC-Y P/D-9DC-Z
P/D-9DD-W P/D-9DD-X P/D-9DD-Y P/D-9DD-Z
P/D-9DR-W P/D-9DR-X P/D-9DR-Y P/D-9DR-Z
遇到一些簡單的問題的時(shí)候，就算我們不是專業(yè)修理人員也可以放心的修理設(shè)備了！注意事項(xiàng)編輯為了防止觸電，在接通無紙記錄儀電源之前務(wù)必進(jìn)行接地保護(hù)。在無紙記錄儀通電前務(wù)必確認(rèn)儀表電源的電源是否與供給電源的電壓一致。在使用中請(qǐng)勿切斷記錄儀內(nèi)部或外部的接地保護(hù)，否則會(huì)使儀表保護(hù)動(dòng)作失效，讓使用者處于危險(xiǎn)狀態(tài)。請(qǐng)勿在可燃性氣體、性氣體或有蒸汽的場合運(yùn)行無紙記錄儀，在這樣的環(huán)境下使用本儀表很危險(xiǎn)。不是無紙記錄儀專業(yè)維修人員，請(qǐng)勿拆卸記錄儀前面面板，儀表有部分為高壓。請(qǐng)?jiān)谇袑?shí)進(jìn)行接地保護(hù)后將儀表與測量對(duì)象或外部控制回路連接。請(qǐng)嚴(yán)格按無紙記錄儀說明書進(jìn)行操作，防止損壞儀表。無紙記錄儀中塑料零部件較多。
陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,
P/D-9DN-W P/D-9DN-X P/D-9DN-Y P/D-9DN-Z
P/D-9RA-W P/D-9RA-X P/D-9RA-Y P/D-9RA-Z
P/D-9RB-W P/D-9RB-X P/D-9RB-Y P/D-9RB-Z
P/D-9RC-W P/D-9RC-X P/D-9RC-Y P/D-9RC-Z
P/D-9RD-W P/D-9RD-X P/D-9RD-Y P/D-9RD-Z
P/D-9RR-W P/D-9RR-X P/D-9RR-Y P/D-9RR-Z
P/D-9RN-W P/D-9RN-X P/D-9RN-Y P/D-9RN-Z
PMC-2A1-W PMC-2A1-X PMC-2A1-Y PMC-2A1-X
PMC-2A2-W PMC-2A2-X PMC-2A2-Y PMC-2A2-X
PMC-2A3-W PMC-2A3-X PMC-2A3-Y PMC-2A3-X
PMC-2A4-W PMC-2A4-X PMC-2A4-Y PMC-2A4-X
PMC-2A5-W PMC-2A5-X PMC-2A5-Y PMC-2A5-X
PMC-2A6-W PMC-2A6-X PMC-2A6-Y PMC-2A6-X
PMC-2A7-W PMC-2A7-X PMC-2A7-Y PMC-2A7-X
PMC-2A8-W PMC-2A8-X PMC-2A8-Y PMC-2A8-X
PMC-2AR-W PMC-2AR-X PMC-2AR-Y PMC-2AR-X
PMC-2AN-W PMC-2AN-X PMC-2AN-Y PMC-2AN-X
PMC-2R1-W PMC-2R1-X PMC-2R1-Y PMC-2R1-X
PMC-2R2-W PMC-2R2-X PMC-2R2-Y PMC-2R2-X
PMC-2R3-W PMC-2R3-X PMC-2R3-Y PMC-2R3-X
PMC-2R4-W PMC-2R4-X PMC-2R4-Y PMC-2R4-X
PMC-2R5-W PMC-2R5-X PMC-2R5-Y PMC-2R5-X
PMC-2R6-W PMC-2R6-X PMC-2R6-Y PMC-2R6-X
PMC-2R7-W PMC-2R7-X PMC-2R7-Y PMC-2R7-X
PMC-2R8-W PMC-2R8-X PMC-2R8-Y PMC-2R8-X
PMC-2RR-W PMC-2RR-X PMC-2RR-Y PMC-2RR-X
PMC-2RN-W PMC-2RN-X PMC-2RN-Y PMC-2RN-X
PMC-4A1-W PMC-4A1-X PMC-4A1-Y PMC-4A1-X
PMC-4A2-W PMC-4A2-X PMC-4A2-Y PMC-4A2-X
PMC-4A3-W PMC-4A3-X PMC-4A3-Y PMC-4A3-X
PMC-4A4-W PMC-4A4-X PMC-4A4-Y PMC-4A4-X
PMC-4A5-W PMC-4A5-X PMC-4A5-Y PMC-4A5-X
PMC-4A6-W PMC-4A6-X PMC-4A6-Y PMC-4A6-X
PMC-4A7-W PMC-4A7-X PMC-4A7-Y PMC-4A7-X
PMC-4A8-W PMC-4A8-X PMC-4A8-Y PMC-4A8-X
PMC-4AR-W PMC-4AR-X PMC-4AR-Y PMC-4AR-X
PMC-4AN-W PMC-4AN-X PMC-4AN-Y PMC-4AN-X
PMC-4R1-W PMC-4R1-X PMC-4R1-Y PMC-4R1-X
PMC-4R2-W PMC-4R2-X PMC-4R2-Y PMC-4R2-X
PMC-4R3-W PMC-4R3-X PMC-4R3-Y PMC-4R3-X
PMC-4R4-W PMC-4R4-X PMC-4R4-Y PMC-4R4-X
PMC-4R5-W PMC-4R5-X PMC-4R5-Y PMC-4R5-X
PMC-4R6-W PMC-4R6-X PMC-4R6-Y PMC-4R6-X
PMC-4R7-W PMC-4R7-X PMC-4R7-Y PMC-4R7-X
清潔時(shí)用柔軟布擦拭，不能使用苯劑、香蕉水等，以免變色或變形。請(qǐng)勿讓帶電品接近無紙記錄儀信號(hào)端子，可能引起故障。不要讓無紙記錄儀受到外力沖擊。在使用過程中如你確認(rèn)記錄儀有冒煙、聞到有異味、發(fā)出異響等異常情況發(fā)生，請(qǐng)立即切斷電源，并及時(shí)與供貨商或產(chǎn)品售后服務(wù)聯(lián)系使用注意事項(xiàng)及安裝本儀表中塑料零部件較多，清掃時(shí)請(qǐng)使用干燥的柔軟布擦拭。不能使用苯劑，香蕉水等藥劑清掃，可能造成變色或變形。請(qǐng)不要將帶電品靠近信號(hào)端子，可能引起故障。請(qǐng)不要對(duì)本表沖擊。如果您確認(rèn)從儀表中冒煙，聞到有異味，發(fā)出異響等異常情況發(fā)生時(shí)，請(qǐng)立即切斷供電電源，并及時(shí)與供貨商或我公司取得聯(lián)系。為確保儀表測量正常工作。
陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,
PMC-4R8-W PMC-4R8-X PMC-4R8-Y PMC-4R8-X
PMC-4RR-W PMC-4RR-X PMC-4RR-Y PMC-4RR-X
PMC-4RN-W PMC-4RN-X PMC-4RN-Y PMC-4RN-X
PMC-7A1-W PMC-7A1-X PMC-7A1-Y PMC-7A1-X
PMC-7A2-W PMC-7A2-X PMC-7A2-Y PMC-7A2-X
PMC-7A3-W PMC-7A3-X PMC-7A3-Y PMC-7A3-X
PMC-7A4-W PMC-7A4-X PMC-7A4-Y PMC-7A4-X
PMC-7A5-W PMC-7A5-X PMC-7A5-Y PMC-7A5-X
PMC-7A6-W PMC-7A6-X PMC-7A6-Y PMC-7A6-X
PMC-7A7-W PMC-7A7-X PMC-7A7-Y PMC-7A7-X
PMC-7A8-W PMC-7A8-X PMC-7A8-Y PMC-7A8-X
PMC-7AR-W PMC-7AR-X PMC-7AR-Y PMC-7AR-X
PMC-7AN-W PMC-7AN-X PMC-7AN-Y PMC-7AN-X
PMC-7R1-W PMC-7R1-X PMC-7R1-Y PMC-7R1-X
PMC-7R2-W PMC-7R2-X PMC-7R2-Y PMC-7R2-X
PMC-7R3-W PMC-7R3-X PMC-7R3-Y PMC-7R3-X
PMC-7R4-W PMC-7R4-X PMC-7R4-Y PMC-7R4-X
PMC-7R5-W PMC-7R5-X PMC-7R5-Y PMC-7R5-X
PMC-7R6-W PMC-7R6-X PMC-7R6-Y PMC-7R6-X
PMC-7R7-W PMC-7R7-X PMC-7R7-Y PMC-7R7-X
PMC-7R8-W PMC-7R8-X PMC-7R8-Y PMC-7R8-X
PMC-7RR-W PMC-7RR-X PMC-7RR-Y PMC-7RR-X
PMC-7RN-W PMC-7RN-X PMC-7RN-Y PMC-7RN-X
PMC-9A1-W PMC-9A1-X PMC-9A1-Y PMC-9A1-X
PMC-9A2-W PMC-9A2-X PMC-9A2-Y PMC-9A2-X
PMC-9A3-W PMC-9A3-X PMC-9A3-Y PMC-9A3-X
PMC-9A4-W PMC-9A4-X PMC-9A4-Y PMC-9A4-X
PMC-9A5-W PMC-9A5-X PMC-9A5-Y PMC-9A5-X
PMC-9A6-W PMC-9A6-X PMC-9A6-Y PMC-9A6-X
PMC-9A7-W PMC-9A7-X PMC-9A7-Y PMC-9A7-X
PMC-9A8-W PMC-9A8-X PMC-9A8-Y PMC-9A8-X
PMC-9AR-W PMC-9AR-X PMC-9AR-Y PMC-9AR-X
PMC-9AN-W PMC-9AN-X PMC-9AN-Y PMC-9AN-X
PMC-9R1-W PMC-9R1-X PMC-9R1-Y PMC-9R1-X
PMC-9R2-W PMC-9R2-X PMC-9R2-Y PMC-9R2-X
PMC-9R3-W PMC-9R3-X PMC-9R3-Y PMC-9R3-X
PMC-9R4-W PMC-9R4-X PMC-9R4-Y PMC-9R4-X
PMC-9R5-W PMC-9R5-X PMC-9R5-Y PMC-9R5-X
PMC-9R6-W PMC-9R6-X PMC-9R6-Y PMC-9R6-X
PMC-9R7-W PMC-9R7-X PMC-9R7-Y PMC-9R7-X
“拍磚”、“吐槽”可以理解。但這位負(fù)責(zé)人進(jìn)一步指出，法律的生命力在于嚴(yán)格執(zhí)行，交通法律法規(guī)涉及億萬駕駛?cè)恕?jù)介紹，元月1日至3日18時(shí)，全國沒有發(fā)生重特大道路交通事故，沒有發(fā)生長時(shí)間、長距離交通擁堵，交通形勢平穩(wěn)，道路秩序良好。全國共發(fā)生涉及人員傷亡的道路交通事故1204起，同比下降22%。交通違法行為也大幅下降，其中違反道路交通信號(hào)燈通行2157起，同比下降66%；酒后駕駛124起，同比下降72%；涉牌涉證嚴(yán)重交通違法行為7822起，同比下降53%。由此可見，新規(guī)在規(guī)范駕駛行為、減少交通違法、預(yù)防重大交通事故等方面的積極作用已初步顯現(xiàn)。近十年機(jī)動(dòng)車保有量快速增長，2012年保有量達(dá)2.4億輛。
陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,
PMC-9R8-W PMC-9R8-X PMC-9R8-Y PMC-9R8-X
PMC-9RR-W PMC-9RR-X PMC-9RR-Y PMC-9RR-X
PMC-9RN-W PMC-9RN-X PMC-9RN-Y PMC-9RN-X
AS-2A1-W AS-2A1-X AS-2A1-Y AS-2A1-Z
AS-2A2-W AS-2A2-X AS-2A2-Y AS-2A2-Z
AS-2A3-W AS-2A3-X AS-2A3-Y AS-2A3-Z
AS-2A4-W AS-2A4-X AS-2A4-Y AS-2A4-Z
AS-2AR-W AS-2AR-X AS-2AR-Y AS-2AR-Z
AS-2B1-W AS-2B1-X AS-2B1-Y AS-2B1-Z
AS-2B2-W AS-2B2-X AS-2B2-Y AS-2B2-Z
AS-2B3-W AS-2B3-X AS-2B3-Y AS-2B3-Z
AS-2B4-W AS-2B4-X AS-2B4-Y AS-2B4-Z
AS-2BR-W AS-2BR-X AS-2BR-Y AS-2BR-Z
AS-2C1-W AS-2C1-X AS-2C1-Y AS-2C1-Z
AS-2C2-W AS-2C2-X AS-2C2-Y AS-2C2-Z
AS-2C3-W AS-2C3-X AS-2C3-Y AS-2C3-Z
AS-2C4-W AS-2C4-X AS-2C4-Y AS-2C4-Z
AS-2CR-W AS-2CR-X AS-2CR-Y AS-2CR-Z
AS-2D1-W AS-2D1-X AS-2D1-Y AS-2D1-Z
AS-2D2-W AS-2D2-X AS-2D2-Y AS-2D2-Z
AS-2D3-W AS-2D3-X AS-2D3-Y AS-2D3-Z
AS-2D4-W AS-2D4-X AS-2D4-Y AS-2D4-Z
AS-2DR-W AS-2DR-X AS-2DR-Y AS-2DR-Z
AS-2E1-W AS-2E1-X AS-2E1-Y AS-2E1-Z
AS-2E2-W AS-2E2-X AS-2E2-Y AS-2E2-Z
AS-2E3-W AS-2E3-X AS-2E3-Y AS-2E3-Z
AS-2E4-W AS-2E4-X AS-2E4-Y AS-2E4-Z
AS-2ER-W AS-2ER-X AS-2ER-Y AS-2ER-Z
AS-2G1-W AS-2G1-X AS-2G1-Y AS-2G1-Z
AS-2G2-W AS-2G2-X AS-2G2-Y AS-2G2-Z
AS-2G3-W AS-2G3-X AS-2G3-Y AS-2G3-Z
AS-2G4-W AS-2G4-X AS-2G4-Y AS-2G4-Z
AS-2GR-W AS-2GR-X AS-2GR-Y AS-2GR-Z
AS-2R1-W AS-2R1-X AS-2R1-Y AS-2R1-Z
AS-2R2-W AS-2R2-X AS-2R2-Y AS-2R2-Z
AS-2R3-W AS-2R3-X AS-2R3-Y AS-2R3-Z
AS-2R4-W AS-2R4-X AS-2R4-Y AS-2R4-Z
AS-2RR-W AS-2RR-X AS-2RR-Y AS-2RR-Z
AS-4A1-W AS-4A1-X AS-4A1-Y AS-4A1-Z
AS-4A2-W AS-4A2-X AS-4A2-Y AS-4A2-Z
AS-4A3-W AS-4A3-X AS-4A3-Y AS-4A3-Z
AS-4A4-W AS-4A4-X AS-4A4-Y AS-4A4-Z
現(xiàn)大多采用變頻調(diào)速器了，因?yàn)樽冾l調(diào)速器的節(jié)能效果有30%左右。此外，變頻器價(jià)格也從早期的每千瓦1000元左右下降到每千瓦只有200多元（大功率），價(jià)格下降十分顯著。如今的工礦企業(yè)對(duì)變頻器的應(yīng)用已經(jīng)普及了，幾乎涵蓋了所有領(lǐng)域，不夸張地說，凡是用到電動(dòng)機(jī)的地方肯定有變頻調(diào)速器的身影。而且變頻調(diào)速器具備了電動(dòng)機(jī)所需要的起動(dòng)效果和節(jié)能效果？萍歼M(jìn)步?jīng)Q定市場占有，這就是為什么軟起動(dòng)器市場發(fā)展空間會(huì)逐步下降，而變頻器市場占有率飛速提高的主要原因。變頻器產(chǎn)業(yè)的國產(chǎn)化水平已經(jīng)有了質(zhì)的突破，國產(chǎn)變頻器的市場份額也在逐步提升，但是和國外品牌在技術(shù)上相比，還是有一定距離。目前談超越還為時(shí)過早，因?yàn)槲覀冊(cè)谧冾l技術(shù)領(lǐng)域的研究、開發(fā)方面。
陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,
AS-4AR-W AS-4AR-X AS-4AR-Y AS-4AR-Z
AS-4B1-W AS-4B1-X AS-4B1-Y AS-4B1-Z
AS-4B2-W AS-4B2-X AS-4B2-Y AS-4B2-Z
AS-4B3-W AS-4B3-X AS-4B3-Y AS-4B3-Z
AS-4B4-W AS-4B4-X AS-4B4-Y AS-4B4-Z
AS-4BR-W AS-4BR-X AS-4BR-Y AS-4BR-Z
AS-4C1-W AS-4C1-X AS-4C1-Y AS-4C1-Z
AS-4C2-W AS-4C2-X AS-4C2-Y AS-4C2-Z
AS-4C3-W AS-4C3-X AS-4C3-Y AS-4C3-Z
AS-4C4-W AS-4C4-X AS-4C4-Y AS-4C4-Z
AS-4CR-W AS-4CR-X AS-4CR-Y AS-4CR-Z
AS-4D1-W AS-4D1-X AS-4D1-Y AS-4D1-Z
AS-4D2-W AS-4D2-X AS-4D2-Y AS-4D2-Z
AS-4D3-W AS-4D3-X AS-4D3-Y AS-4D3-Z
AS-4D4-W AS-4D4-X AS-4D4-Y AS-4D4-Z
AS-4DR-W AS-4DR-X AS-4DR-Y AS-4DR-Z
AS-4E1-W AS-4E1-X AS-4E1-Y AS-4E1-Z
AS-4E2-W AS-4E2-X AS-4E2-Y AS-4E2-Z
AS-4E3-W AS-4E3-X AS-4E3-Y AS-4E3-Z
AS-4E4-W AS-4E4-X AS-4E4-Y AS-4E4-Z
AS-4ER-W AS-4ER-X AS-4ER-Y AS-4ER-Z
AS-4G1-W AS-4G1-X AS-4G1-Y AS-4G1-Z
AS-4G2-W AS-4G2-X AS-4G2-Y AS-4G2-Z
AS-4G3-W AS-4G3-X AS-4G3-Y AS-4G3-Z
AS-4G4-W AS-4G4-X AS-4G4-Y AS-4G4-Z
AS-4GR-W AS-4GR-X AS-4GR-Y AS-4GR-Z
AS-4R1-W AS-4R1-X AS-4R1-Y AS-4R1-Z
AS-4R2-W AS-4R2-X AS-4R2-Y AS-4R2-Z
AS-4R3-W AS-4R3-X AS-4R3-Y AS-4R3-Z
AS-4R4-W AS-4R4-X AS-4R4-Y AS-4R4-Z
AS-4RR-W AS-4RR-X AS-4RR-Y AS-4RR-Z
PAM需要同時(shí)調(diào)節(jié)兩部分：整流部分和逆變部分，兩者之間還必須滿足Ku和Kf間的一定的關(guān)系，故其控制電路比較復(fù)雜。2.脈寬調(diào)制（PWM）把每半個(gè)周期內(nèi)，輸出電壓的波形分割成若干個(gè)脈沖波，每個(gè)脈沖的寬度為T1，每兩個(gè)脈沖間的間隔寬度為T2，那么脈沖的占空比Υ=T1/（T1+T2）。這時(shí)，電壓的平均值和占空比成正比，所以在調(diào)節(jié)頻率時(shí)，不改變直流電壓的幅值，而是改變輸出電壓脈沖的占空比，也同樣可以實(shí)現(xiàn)變頻也變壓的效果。當(dāng)電壓周期增大（頻率降低），電壓脈沖的幅值不變，而占空比在減小，故平均電壓降低。此法的特點(diǎn)是，變頻器在改變輸出頻率的同時(shí)，也改變輸出電壓的脈沖占空比（幅值不變）故稱為脈寬調(diào)制，常用PWM(Pulsewidthmodulation)表示。
陜西省SANIL開關(guān)SD-12M,SD-12MB,SD-12MP,
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