煤電鉆 的英文怎麼說
中文拼音 [méidiànzhēn]
煤電鉆
英文
electric hand drill for coal-
Drill bit for coal cutting
電煤鉆頭We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840
針對當前我國煤礦電鉆電源的使用現狀，提出研製dc - ac變換的電鉆電源系統，該電源系統直接利用spwm變頻控制技術，將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。New electric leakage protection device of electric coal drill
一種新型的煤電鉆漏電保護裝置Problems and countermeasures of electric coal drill comprehensive device
煤電鉆綜合裝置的問題及對策Flameproof hand - held electric coal drill
隔爆型手持式煤電鉆Flame - proof rapid interruption geb for underground coal drills
煤礦用隔爆型快速斷電煤電鉆綜合保護裝置Development of comprehensive protective device of electric coal drill motor
煤電鉆電動機綜合保護裝置的研製The main products of our company : series of mining emulsion pump station, series of electric haulage shearer, sparying pump station, series of mining flame - proof vacuum / air electromagnetic starter, series of mining vacuum / air feeding switch, series of mining fame - proof and natural - safe. type ac soft starter, series of hydraulic stand valve and pipe system, high flow rate quick - moving valve, the new product nearing into market - the hydraulic support electric - control system, mining electric drill, hydraulic valve test table, electric performance test table
公司主導產品為：系列電牽引採煤機、系列礦用乳化液泵站、噴霧泵站、礦用隔爆兼本質安全型交流軟起動器、系列礦用隔爆真空、空氣電磁起動器、系列礦用真空、空氣饋電開關、系列液壓支架閥類及管路系統、大流量快速移架閥、即將投入市場的新產品? ?液壓支架電液控制系統、煤電鉆系列、液壓閥試驗臺、電性能試驗臺等。Short - circuit protection for electric coaldrill transformer based on carrier - frequency principle
用載頻原理對煤電鉆變壓器作短路保護Mine electrical : integrated automation intelligent switch controller ; mine explosion - proof type intelligent combine switch ; mine power center ; mine vvvf devices ; automation system : mine hoist automation system ; coal preparation plant automation system ; drilling machine control system ; lines of motor vehicles and power leakage protection devices, etc
礦用電器：綜合自動化智能開關控制器;礦用隔爆智能組合開關;礦用動力中心;礦用變頻調速裝置等;自動化系統：礦井提升機自動化系統;選煤廠自動化系統;鉆井機自動控制系統;架線電機車電源及其漏電保護裝置等。Motor used in electric bolt - hole drill for coal mine
煤礦用電動錨桿鉆機電動機Problem and treatment for protection unit of coal electric - drill transfomer
煤電鉆變壓器保護裝置使用中的問題及對策The using effect of a new kind of zb - 2. 5 comprehensive protection for electric drill in coal
5新型煤電鉆綜合保護器的使用效果The transient electromagnetic thchniques can be used to determine the key region for grouting reconstruction, guiding the drill hole layout and detect the grouting effect
利用瞬變電磁技術探測煤層底板含水層的賦水性特徵，確定工作面內注漿改造重點區域，指導鉆孔布置，並在底板改造后檢驗注漿改造效果。分享友人