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introduction：Synchronous motor，And induction machine（Asynchronous motor）The same is a commonly used AC motor[1] 。Synchronous motor is the heart of power system，It is a set of rotation and rest、Electromagnetic changes are integrated with mechanical motion，A component that converts electrical and mechanical energy，Its dynamic performance is very complex，Moreover, its dynamic performance has great influence on the dynamic performance of the whole power system。The characteristic is：Steady running time，There is a constant relationship between the speed of the rotor and the frequency of the gridn=ns=60f/p，amongfGrid frequency，pIs the number of poles of the motor，nsCalled synchronous speed。If the frequency of the grid is constant，The speed of the synchronous motor in steady state is constant and has nothing to do with the size of the load。Synchronous motor is divided into synchronous generator and synchronous motor。The alternators in modern power plants are mainly synchronous generators。
2017-10-21 Reading quantity 184
introduction：Maintenance frequently reported fault models are：A1000series、H1000series、L1000series、V1000series、J1000series、T1000series、E1000series Frequency changerThere was a short circuit on the output side、Earth short circuit( Due to motor burn、Insulation deterioration、Contact caused by cable breakage、Ground short circuit) · overload The acceleration and deceleration time is too short · Use special motors and motors above the maximum applicable capacity · Open and close the electromagnetic contactor on the output side of the inverter · Control loop terminal+V、－ V、AC short-circuit · The control loop terminal is overloaded · Check whether the control loop terminal is connected incorrectly · Verify resistance values and wiring for variable resistors, etc. for frequency setting （+V、－ V Current should be in20mA below）
2017-10-21 Reading quantity 205
introduction：Industrial belts have industrial transmission belts、Automobile transmission belt and conveyor belt three categories。The first two belong to the transmission belt。A piece of tape used to transmit mechanical power，Including flat drive tape and triangular drive tape(VShaped tape)。Made of rubber and reinforced material(Like cotton canvas、rayon、Synthetic fiber or steel wire, etc)constitute。Hang glue canvas in multiple layers、Synthetic fabric、Curtain wire and steel wire are used as tensile layers，Coated with rubber after forming、vulcanize。Widely used in a variety of power transmission。The drive belt is the power generated by rotating the motor or engine of the prime mover，The tape is transmitted to the mechanical equipment through the belt wheel，So it is also called dynamic belt。It is the core connecting component of electromechanical equipment，Extraordinary variety，Extremely versatile。From large to thousands of kilowatts of giant motors，Micromotors as small as less than one kilowatt，Even home appliances、computer、R
2017-10-21 Reading quantity 351
introduction：Variable frequency motor product features： BStage temperature rise design，FGrade insulation manufacture。High polymer insulation material and vacuum pressure dip paint manufacturing process and special insulation structure are adopted，The electrical winding adopts insulation to withstand voltage and the mechanical strength has been greatly improved，Capable of high speed motor operation and resistance to frequency converterHigh frequency current shock and voltage damage to insulation。 High balance quality，The vibration level isRlevel（Damping stage）Machining precision of mechanical parts is high，And use special high-precision bearings，Can operate at high speed。 Forced ventilation cooling system，All adopt imported axial fan super quiet、Long life，Strong wind。Ensure motor at any speed，Obtain effective heat dissipation，Can achieve high or low speed long-term operation。
2017-10-21 Reading quantity 167
introduction：Cento is a Taiwanese brand，Main products include：Gas-liquid booster cylinder，Gas-liquid supercharger，Gas booster valve，Multiple power cylinders，And all kinds of hydraulic press,Booster press，A series of pressurization for rivet-free connection equipment，Hydraulic related products。 Product application range：Imprint mark、Bent section、Die punching、Punching steel、Profile welding、Extrusion molding、Flatten and straighten、Riveted forging、Finishing sheet metal、Tight assembly、Riveted joint、Metal stamping。
2017-10-21 Reading quantity 216
introduction：Optical fiber connector manufacturers Optical fiber connector，It is removable between optical fibers（Events）Connected device，It precisely joins the two ends of the optical fiber，So that the output light energy of the transmitting fiber can be coupled to the receiving fiber to the maximum extent，The influence on the system caused by its involvement in the optical link is minimized，This is the basic requirement of optical fiber connectors。To a certain extent，Optical fiber connectors affect the reliability and performance of optical transmission systems。 Optical fiber Connector Manufacturer Classification of optical fiber connectors： FCN type optical fiber connector
2017-10-21 Reading quantity 335
introduction：Fujian fiber optic connector Optical fiber connector A repeatable connector between optical fibers，Also known as optical fiber movable connector。Main performance parameters（And typical value）There are：Insertion loss（<0.5dB）、Repeatability and interchangeability between connectors（variation500time）Etc.。For large capacity high-speed transmission systems，It also requires low reflection。 Fujian fiber connector parameters：
2017-10-21 Reading quantity 423
introduction：Hanto belt specification model The Sakato belt is a kind of belt produced by a Japanese manufacturer，As a belt manufacturer in the international port city of Kobe since the establishment，It has been nearly a century，In the meantime, the first conveyor belt in Japan was produced、VV-shaped belt and tooth belt，With a coherent development policy，Strive for perfection in power conveyor straps and systems。Relative to the text believe and many people prefer to look at the picture，The following Xiaobian will take you to take a look at the Hanto belt specification model map！
2017-10-21 Reading quantity 380
introduction：Sakato belt true or false Hanto Belt as a belt manufacturer in the international port city of Kobe since the establishment，It has been nearly a century，In the meantime, the first conveyor belt in Japan was produced、VV-shaped belt and tooth belt，With a coherent development policy，Strive for perfection in power conveyor straps and systems。With the progress and development of industry，Many imitations are also impossible to guard against，If you want to know Handong belt anti-counterfeiting knowledge you can visit our website home Fengye mall，Theres a panel of experts inside to answer your questions。 Sakato belt characteristics
2017-10-21 Reading quantity 341
introduction：ikoLinear needle roller bearings ikoLinear needle roller bearing is a bearing produced by Thomson Company of Japan，IKOBearing Japan Tosei Co., LTDIKOIts a family over 50 years old，A professional bearing manufacturer specializing in the production of needle roller bearings and linear guides，It enjoys a high reputation all over the world，It is the oldest production of needle roller bearings in Japan、The most complete variety、The manufacturer with the highest level of specialization；IKOCafa created four columns of cylindrical roller heavy load guide rails renowned in the world。 Definition of needle roller bearings
2017-10-21 Reading quantity 331
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