“What is the scope of power outage at today's site? How is the grounding line erected?...†September 16, State Grid Shandong Yinan County Power Supply Company phase ditch power supply construction site, the company's inspectors are working on part-time security staff On the spot, the security officer must correctly answer the questions before the official construction. This is an innovative move that the company has introduced to field safety management, which is to establish a part-time safety officer system at the construction site. In order to further standardize on-site construction and improve the safety consciousness and technical and technical capabilities of first-line construction team employees, State Grid Shandong Yinan County Power Supply Company requires each production department and construction unit to set up on-site part-time safety personnel at each large construction site. In order to allow each team member to fully grasp the security measures at the work site, the on-site part-time security staff is in turn held by the team members and wears “field security officer†armbands to perform on-site safety supervision tasks. The security of the site is terminated after each class meeting. Worker task. Inspectors conduct on-site examinations of the part-time security personnel during on-site inspections. Through on-site examinations, all personnel of the construction team are encouraged to improve their safety awareness and business capabilities, thereby comprehensively enhancing the company's overall safety management level. China Labor Insurance Network
The technology and performance of DC Axial Fans have fully reached a mature stage,
and new technologies are constantly emerging. The size of the fan is from 8mm to 280mm, the voltage is 5V, 12V, 24V, 48V, 110V, 220V, 380V, with a square, round, olive shape, etc.The
working principle of the DC fan is realized according to the energy conversion, that is,
electric energy, electromagnetic energy, mechanical energy and kinetic energy. Its circuit principle is generally divided into various forms, the use of different circuits, the performance of the fan will be different.
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In simple terms, by changing the input to the brushless motor stator coil of the alternating current wave frequency and waveform, the formation of a geometric axis to the motor winding coil in magnetic field around the magnetic field of permanent magnet on the rotor rotation, the motor will turn up, the quantity, performance and magnet motor magnetic flux the motor input voltage strength, size and other factors, it has a great relationship with the control performance of the brushless motor, because the input DC current to the electronic governor, into 3 alternating current, also need to receive a control signal from the remote control receiver, control motor speed, in order to meet the need to use model. In general, the structure of the brushless motor is quite simple, really decided its performance or brushless electronic governor, electronic governor to a good overall control a single-chip control program design, circuit design, complex processing process, so the price is much higher than the brush motor.
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DC Axial Fans Dc Axial Fans,Dc Axial Cooling Fan,Axial Brushless Dc Fan,Cooling Wall Dc Axial Fans Shenzhen Fu Sheng Electric Co., LTD. , http://www.fushengfan.com
