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This is a portion coming to be differentiated in the conventional electromagnetic induction and magnetic resonance room expression system would be applied to a case shown that the impedance of the load is high In addition MIT has an existing wireless power transmission was not taken into account in the frequency band using a number of high frequency of approximately 10MHz recharge api provider to obtain a high quality factor.
Microwave technique is also used for hundreds of MHz or a microwave a technique for delivering power to emit a microwave signal to the air mobile recharge bill pay via an antenna is mainly used in long distance power transmission 111 as a microwave method can be used recharge api provider stand to spend a little power1 watts for more than a few meters as are other applications can be utilized for sending more than a few kilometers to tens of kilowatts or more.
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The main future applications of space solar latter to former satellite SPS Space Solar Power Satellite is also included However it is also being done research on electric vehicle charging using the latest microwave technology can be a very short distance in the microwave wireless power transfer applications 12.
The basic structure of the microwave system is needed is an antenna for transmission and reception of a microwave is the same as Figure3 The transmitter requires a micro-wave high-power microwave devices that may occur is most representative of then Receiving unit is required to convert the device exchanges signals received via the reception antenna into a direct current 11.
Frequency to now has been the most utilized research is2 45GHz or5 8GHz In Korea the first time in about 10 kilowatts of power at2 mobile recharge bill pay 45GHz Matthew 50 meters from the Korea Research Institute in 1998 and was sent using a micro-wave Wireless Power Consortium WPC Wireless power consortium has recharge api provider had a first meeting in Kong in 2008 after an electromagnetic induction method based on low power in April 2010 through the active5 watts for zx wireless power transmission system.
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WPC collective standard was published WPC is a regular member of the 18 institutions the total number of members are more than 100 dogs WPC standard interface definitions Interface definition performance requirements Performance requirements consists of mobile recharge bill pay the regulation's compliance testing Compliance testing The risk of fever was resolved by an external metal material of the electromagnetic induction recharge api provider method through the standards was able.
To solve the problems of other groups4 is a basic wireless power transmission configuration used in general in the wireless power transmission standard document of WPC A transmitter configured to transmit the power base station Base station the power conversion unit and a communication control unit which is composed of a system is a mobile device for receiving is recharge api provider configured to pick power load and a control communication The main features are defined in the standard is as follows.