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An adaptive high speed PMSM control for electric vehicle application
An adaptive high speed PMSM control for electric vehicle application

... Synchronous Motors (PMSM) drives are the most competitors to the other. Due to its superior advantages such as high efficiency, low inertia, high torque to current ratio, high power factor, smaller size, lower weight and almost no need for maintenance, makes it more preferable face to the other moto ...
conditioning of rf cavities for Indus-2
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... during initial commissioning and future when coupling factor (beta) was adjusted for higher current operation. After baking the pressure level in the cavities reached to about 2x10-9 mbar which was further improved to 5x10-10 mbar after RF conditioning. RF conditioning also helped in resolving the m ...
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... The Cooper Power Systems Type TSC switch is a threephase oil-filled device designed specifically for capacitor switching applications on 20/34.5-kv distribution systems. With a capacitive switching current rating of 135 amps and momentary and latching ratings of 12,000 asymmetical amps, the TSC swit ...
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... Measurement of conducted immunity (harmonic signal coupled on power supply plane according to DPI standard). At each harmonic frequency, the disturbance power is increased until a circuit failure arises. ...
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... capacitor bank to control local voltage. A relay that is applied to protect the capacitor bank can also measure the bus voltage, make a control determination, and initiate switching. This fully automatic control scheme can be removed from service at any time by a remote SCADA operator. If redundancy ...
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... in the order of some milliampères. A TRIAC starts conducting when a current flowing into or out of its gate is sufficient to turn on the relevant junctions in the quadrant of operation. The minimum current able to do this is called gate threshold current and is 1.2.2 Static dv/dt generally indicated by ...
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... +3.7V, the RS-232 outputs are at ±5.5V, which is compliant with the RS-232 standard. As the supply voltage drops below the +3.1V set point, the RS-232 outputs change to ±3.7V, which is compatible with the RS-232 standard. The outputs will remain at the compatible levels until the supply voltage rise ...
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... seriously affect equipment and processes. An extensive line of ground fault application solutions assist in taking the appropriate actions to ensure electrical systems are safe and properly protected. Capable of supplying a full product range, I-Gard ensures that every customer’s unique combination ...
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... When driving an inductive load, triacs are designed with RC snubber. These commutation aid networks are badly optimized in most of applications. The subject of this paper is, first of all, to analyze the functions of snubber circuits for triacs and to propose calculation methods. But today snubber c ...
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... 1. Set logic gate and switch Vdd = +3V to +5V and use HCT series logic to provide a TTL driver interface. 2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of +3 to +8 Volts applied to the CMOS logic gates and to pin 4 of the RF switch. 3. DC Blocking capacitors are required ...
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... can absorb it, if necessary. When dynamic power is the dominant source of power consumption—as it has been and as it remains today in many less aggressive fabrication technologies—we can approximate Equation 3 with just the first term. Its V2 factor suggests reducing supply voltage as the most effec ...
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Distribution management system

In the recent years, utilization of electrical energy increased exponentially and customer requirement and quality definitions of power were changed enormously. As the electric energy became an essential part of the daily life, its optimal usage and reliability became important. Real-time network view and dynamic decisions have become instrumental for optimizing resources and managing demands, thus making a distribution management system which could handle proper work flows, very critical.
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