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- The papers study the technology of variable speed drive in electric submergible pump. 本文主要论述了潜油电泵系统变频调速的应用技术。
- From those studies, we may know the variable speed drive in electric submergible pump is feasible and may run reliably. 根据以上的研究可知,潜油电泵系统采用变频调速是可行的,并且能可靠地运行。
- The papers simple discribe the basic structure of the variable speed drive system in electric submergible pump> principle of PWM inverter and the basic structure of IGBT. 对潜油电泵变频调速系统的基本结构、PWM逆变器原理以及IGBT的基本结构进行了简单介绍。
- This papers mainly study the influence of variable speed drive to the electric submergible pump system, for instance, long motor leads effect and common-mode voltage. 本文主要是分析了变频器对潜油电泵系统的影响,特别是长线传输问题及共模电压问题。
- Keywords electric submergible pump;ESPCP;oil recovery technology; 潜油电泵;潜油螺杆泵;采油技术;
- Keywords oilfield electric submergible pump,variable speed drive,long motor leads,invertor,filter; 油田潜油电泵;变频调速;长线传输;逆变器;滤波;
- electric submergible pump 潜油电泵
- Type ZDL is a vertical, single-stage and single-suction submergible pump. ZDL型渣浆泵为立式、单级单吸液下泵,适用于输送含悬浮固体颗粒的液体(如氧化铁屑、砂、矿粉等),主要用于冶金、矿山、化工、造纸、电力等行业。
- Application status and economic profits of liquification method with screw liquefying sets and economizer and transfer technology of submerged pump were introudced. 介绍了经济器螺杆式氯气液化机组液化法和液氯液下泵输送技术的应用情况及取得的经济效益。
- The principles and process flow, and characteristics of process of carburator, liquid chlorine canned-motor pump, submerged pump and liquid chlorine magnetic pump were introduced. 介绍了气化器、液氯屏蔽泵、液氯液下泵、液氯磁力泵的工作原理和工艺流程、工艺特点,并指出了它们的优点和缺点。
- It's quite clear that the electric car is technically feasible. 电动汽车明显在工艺技术上是可行的。
- Industry is a heavy user of electric power. 工业需耗费大量的电力。
- Small submerged pump increasingly apply to fountain, but the fountain require preferable pumps. 小型潜水电泵在喷泉水景的应用越来越多,而喷泉水景对泵的使用要求也越来越高。
- Never poke a finger or scissors into an electric socket. 千万不要把手指或剪刀插进电源插座。
- The machines are driven by electric motors. 这些机器都是由电动机驱动的。
- A vertical submerged pump with elegant profile, directly mounted at the reservoir of medium to be delivered, with no additional floor space required to economize infrastructural construction investment. 泵为立式液下泵,外形美观,直接安装在被输送介质的储存器上,无额外占地面积,从而降低了基建投入。
- She buy an electric toaster this morning. 今天上午她买了一个烤面包片的电炉。
- The author of this article proposed main point of design after he assaied characteristics of the fountain and common breakdown of the small submerged pump application on the fountain. 文章通过分析喷泉用小型潜水电泵使用特点及要求,结合小型潜水电泵应用在喷泉上的常见故障,提出喷泉用小型潜水电泵设计要点。
- It's a conduit enclosing insulated electric wires. 这是包电线的导管。
- A lot of electric lamps illumined the stage. 舞台由许多电灯照亮。