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Medium Voltage Variable Frequency Drives
Medium Voltage Variable Frequency Drives

SIGC186T170R3E
SIGC186T170R3E

... approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support, automotive, aviation and aerospace device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended ...
UCC28019A 数据资料 dataSheet 下载
UCC28019A 数据资料 dataSheet 下载

... drive if the peak-limit voltage is exceeded. An internal 1.5-µA current source pulls ISENSE above 0.1 V to shut down PFC operation if this pin becomes open-circuited. Use a 220-Ω resistor between this pin and the current sense resistor to limit inrush-surge currents into this pin. ...
ECN33550 FP (PDF format, 406kBytes)
ECN33550 FP (PDF format, 406kBytes)

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... The bq2400x measures battery temperature using an external thermistor. For safety reasons, the bq2400x inhibits charge until the battery temperature is within the user-defined thresholds. Alternatively, the user can monitor the input voltage to qualify charge. The bq2400x series then charge the batt ...
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OPA699: Wideband, High Gain Voltage Limiting Amplifier (Rev. B)
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... the signal channel. Implementing the limiting function at the output, as opposed to the input, gives the specified limiting accuracy for any gain, and allows the OPA699 to be used in all standard op amp applications. ...
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... connected with high voltage and has more number of turns and the secondary which has less number of turns, steps down the voltage between 110 V to 120 V. The core of the transformer is a shell type. The low voltage winding (secondary) is wound first around the core of the transformer to reduce the s ...
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... reduce the operating voltage but the input voltage is fixed. In addition, a large inductor of 47 mH is required to accommodate low inductor current ripple for continuous conduction mode (CCM) operation. Even though small inductor is preferred for low-cost small-area application, an inductor current ...
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... Fig. 3. Definition of UP area and DOWN area considering monitor location The determination of relative location of event source is closely related to the flow of electric energy at the monitor. The components of the system can be divided into three different sections according to the energy flow. On ...
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... matters of primary interest to assess are power density, efficiency, reliability, cooling needs and cost. This work concentrates on a 10 kW inverter intended for a general motor supply. The power supply is a 400 Hz, 230 VPh three phases or a ± 270 V DC source. Other power levels than 10 kW are also ...
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... Figure 250–23 (1) Equipment Grounding. Metal parts of electrical equipment are grounded (connected to the earth) to reduce induced voltage on metal parts from exterior lightning so as to prevent fires from an arc within the building/structure. Figure 250–24 Author’s Comment: Grounding metal parts he ...
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... Analysing the results Plot the readings for charge against voltage on common axes for the three capacitors. Do the shapes of your graphs support the idea that the charge stored varies in proportion to the voltage applied? Explain your reasoning. Calculate the gradient of each graph. The value obtain ...
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US 6545450 - Santangelo Law Offices

... equation may be read to indicate that an inductance of 140 this transformer also provides isolation from the utility picohenries (1.4*10- 10 H) may drop a voltage of 140 milli- 35 power, required for safety reasons. The resulting isolated volts. To put this number in perspective, the inductance of a ...
1.2 Ideal Op-Amp
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... Realistically, a small dc voltage will appear at the output when no input voltage is applied. Thus, differential dc voltage is required between the inputs to force the output to zero volts. This is called the Input Offset Voltage, Vos. Range between 2 ...
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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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