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In order to limit the starting current and increase the starting torque, the linear rotor induction motor can be started by connecting several starting resistors or frequency transducers in series in the rotor circuit. This paper will describe the start control circuit of the series resistance in the rotor circuit of the three-phase winding motor.…
Intermediate potential operation method refers to the method that the human body is in the potential state between the grounded body and the charged body, and the insulating tool is used to indirectly contact the charged equipment to achieve the purpose of maintenance. It is characterized by the human body under intermediate potential, which occupies…
No matter in any equipment of the system, live operation can not only realize the maintenance of equipment, eliminate the shortage, but also keep the equipment to continue running state, ensure the stable operation of the power system, users get uninterrupted electric energy, with great social and economic benefits. Therefore, live operation has the following…
The common faults of the lighting circuit are mainly short circuit and open circuit (three states of the circuit: path, open circuit (open circuit), short circuit). Circuit breaker: The main causes of circuit breaker are fuse broken, loose wire, broken wire, switch is not connected, wire joint corrosion. Incandescent light bulb: If one bulb (incandescent…
Recently, Stever (Shanghai) Electronic Technology Co., LTD., launched two high frame rate industrial array CMOS image sensor products, 2MP and 1.3MP — SC235HGS and SC135HGS. The two chips are powered by innovative SmartGS®-2 Plus technology, which offers three performance advantages: high image performance (high sensitivity, high quantum efficiency, low noise), high speed (high frame rate,…
On May 26, the training and exchange meeting of “Digital process Design based on 3D model” was successfully concluded. As a leading brand of high-end industrial software in China and a leading provider of 3D intelligent process software in the industry, Kaimu Software was invited to participate and share the theme of “Model Driven Intelligent…
From May 28 to 30, the 62nd Spring Pharmaceutical Machine Expo was held in Qingdao World Expo City. With the theme of “Data empowerment, Accelerating Progress”, Siemens exhibited the latest automation and information technology of Siemens from four perspectives of digital enterprise, research and development, production and equipment, allowing the audience to have an in-depth…
LEMO is pleased to announce the addition of the 1S.275 series for 12G-SDI (Serial Digital interface) 4K ultra HD transmission to the tried-and-true S-Series plug-and-plug self-locking connector. The new rugged, plug-and-plug self-locking connector is compliant with SMPTE ST 2082-1 for signal/data transfer at up to 12 Gbit/s, compliant with 12G-SDI and provides eight times the…
At a meeting of the Supervisory Board held on 26 May 2023, the Schaeffler Group appointed Mr. Sascha Zaps, 48 years old, as a member of the Executive Board of Directors to assume the position of Chief Executive Officer of the Industrial Division of the Schaeffler Group. The appointment is effective from May 1, 2024.…
Zhitong Finance APP has learned that the State Administration for Market Regulation (Standardization Administration) has released the No. 2 National Standard Announcement of the People’s Republic of China in 2023. Approved GB/T 42562-2023 “Industrial Internet Platform Selection Requirements”, GB/T 42568-2023 “Industrial Internet Platform Micro-service Reference Framework” and GB/T 42569-2023 “Industrial Internet Platform Functional Requirements for…