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introduction：How to test the Bader motor
2018-04-24 Reading quantity 216
introduction：1.The switch consumes no electricity，Just exert the control function This can extend battery life to two years or more under normal operating conditions。RFA diagnostic function built into the RF circuit provides low power indication，Batteries that do not work properly can be replaced before a forced interruption of the work process occurs。This is very important，Because the sensors andRFRf circuits consume a lot of power，The battery needs to be replaced regularly。 2.Wireless switches can be easily added to applications that use standard wired switches or proximity sensors Of course，No matter what wireless device is used，All need to be sentRF（Radio frequency）signal，And it must be converted into a standard input signal available to the control system（PNP、NPNOr relay）。This is achieved through a wireless receiver installed in the devices control panel。The output of this receiver is connected directly to the controller input card in a traditional wired manner。The controller cannot distinguish whether the standard i
2018-04-24 Reading quantity 157
introduction：Programmable controller relay protection PLCIt is an electronic system for numerical operation，Specifically designed for use in industrial environments。It uses a memory that can be programmed，Used to store logical operations and sequence control during execution、timing、Instructions for counting and arithmetic operations，And through digital or analog input(I)Sum output(O)port，Control various types of machinery or production processes。The following Feng Ye Xiaobian will take you to understand the relay protection of the programmable device。
2018-04-23 Reading quantity 242
introduction：We are shopping on it，Need to carefully observe the quality of the product，There cant be any physical damage，scratch，Look carefully，Otherwise, its hard to detect。You can try to look at it from different angles，Horizontal viewing Angle and vertical viewing Angle，And try the Angle of the tilt。Or looking in a different light，Make sure you dont miss anything，Avoid existing businesses“Fish eyes are mixed with pearls”。
2018-04-23 Reading quantity 357
introduction：The switching power supply consists roughly of the main circuit、Control circuit、Detection circuit、Auxiliary power supply consists of four major parts。 1、Main circuit Impulse current limiting：Limit the impulse current on the input side at the moment the power is switched on。 Input filter：Its function is to filter the clutter existing in the power grid and prevent the clutter generated by the machine to feed back to the power grid。 Rectification and filtering：The AC power supply of the grid is directly rectified into smoother direct current。 inverse：Change the rectified direct current into high frequency alternating current，This is the core part of the high-frequency switching power supply。 Output rectification and filtering：As required by load，Provide stable and reliable DC power supply。
2018-04-23 Reading quantity 318
introduction：In recent years，Chinas independent research and development capability has been improved in the inverter market，Especially the high voltage inverter2017The number of patent applications held steady at160Items or more。meanwhile，Under the pulling role of the real economy，Inverter will rush into the field of new energy，In metallurgy、coal、Petrochemical and other industrial sectors will maintain steady growth，In the context of increasing urbanization rate，Inverter in municipal、Demand for public utilities such as rail transit will also continue to grow，Thus promoting the expansion of market size。Expected in the next few years，The high-voltage inverter market with energy-saving functions will continue to grow driven by policies，to2023years，The market size of high voltage inverter will reach175About 100 million yuan。 Delta brand high、In the、Voltage converterServing the equipment manufacturing industry、Energy saving and environmental protection equipment、Three major areas of new energy，Products are widely used in lif
2018-04-21 Reading quantity 404
introduction：Inspection distance Detection elevator、Stop of lifting equipment、start、Passing position；Detect the vehicles position，Detection to prevent two objects from colliding；Detect the set position of the working machine，The limit position of moving a machine or part；Detect the stop position of the rotary body，Valve open or close position。 Size control Size control device for sheet metal punching and cutting；Automatic selection、Identify the length of metal parts；Detect heap height during automatic loading and unloading；Detect the length of the item、wide、Height and volume。 Detect the presence or absence of objects Check whether there are product packing boxes on the production packaging line；Check for product parts。
2018-04-21 Reading quantity 329
introduction：So how do various hotel touch switch manufacturers choose the right switch panel？ first、Panel material。The common panels on the market are made of acrylic，Known as glass-ceramics panel，This kind of panel wears out easily，squander，The deformation of the panel is caused by thermal expansion and cold contraction in each season，Fail to touch，Severely impacting usage and customer experience。The tempered glass panel appears to be higher grade，Surface wear resistance，Easy to clean，It is not affected by the change of ventilation。
2018-04-20 Reading quantity 284
introduction：The normal operation of power transformers is safe for the grid，The fundamental guarantee of reliable power supply。therefore，The daily maintenance of the transformer is very necessary。This paper introduces the maintenance method of transformer、Troubleshooting measures and so on，It has great practical value for the safe and stable operation of power grid。 The function of a power transformer is to change voltage、Transfer electrical energy，It is one of the essential and important equipment in the power system，Its grid security.、The basis of economic operation。 however，Due to its structure、Process and operation maintenance and other reasons，Transformer failures occur frequently in power plants，It has greatly affected the normal production of the power plant。therefore，Do regular maintenance work，Closely monitor the operation，And carry out the size maintenance on schedule，Strengthen regular maintenance of transformers，Take effective measures to prevent transformer failure，It is of great significance to ensure the s
2018-04-19 Reading quantity 320
introduction：About the post-loadBThe phase power is negative，Its the three-phase current transformerP1andP2Reverse connection，andAIn step with each otherCPhase current sampling is reversed，This results in a negative active power。The solution is to switch the direction of the current transformer，willAIn step with each otherCPhase current sampling swap。 In fact, if we pay more attention to these small details in the application，We wouldnt have this problem。
2018-04-17 Reading quantity 255
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