Standards of Power Quality with reference to the Code of Practice for
... where Ih is the rms current of the hth harmonic current, and I1 is the rms value of the fundamental current. A typical supply voltage waveform at a consumer’s metering point (or point of common coupling) normally doesn’t exceed 5% THD in Hong Kong but for some high-rise commercial buildings, the vo ...
... where Ih is the rms current of the hth harmonic current, and I1 is the rms value of the fundamental current. A typical supply voltage waveform at a consumer’s metering point (or point of common coupling) normally doesn’t exceed 5% THD in Hong Kong but for some high-rise commercial buildings, the vo ...
Power Transformer Attenuates Harmonics
... We must look elsewhere for the source, not to the generation of power. The harmonics Fig. 2. Waveforms showing harmonics typical generated downin switching devices. stream can find their way back onto the utility lines and affect all power users on the system, and ultimately adversely affect the ope ...
... We must look elsewhere for the source, not to the generation of power. The harmonics Fig. 2. Waveforms showing harmonics typical generated downin switching devices. stream can find their way back onto the utility lines and affect all power users on the system, and ultimately adversely affect the ope ...
Calibrating voltage input signal conditioners using the Fluke 787
... mA and 4-20 mA outputs are notori2 + 3.50 = 3.75, or one-half the ous for zero and span control interacdifference between the reading tion. If, when performing step 6 in and the desired value.) the calibrating section on page 2, 2. Set the source current of the your output meter displayed a value Fl ...
... mA and 4-20 mA outputs are notori2 + 3.50 = 3.75, or one-half the ous for zero and span control interacdifference between the reading tion. If, when performing step 6 in and the desired value.) the calibrating section on page 2, 2. Set the source current of the your output meter displayed a value Fl ...
Datasheet - IKCM10B60HA
... rectifier Rugged SOI gate driver technology with stability against transient and negative voltage Allowable negative VS potential up to -11V for signal transmission at VBS=15V Integrated bootstrap functionality Over current shutdown Under-voltage lockout at all channels Low side common e ...
... rectifier Rugged SOI gate driver technology with stability against transient and negative voltage Allowable negative VS potential up to -11V for signal transmission at VBS=15V Integrated bootstrap functionality Over current shutdown Under-voltage lockout at all channels Low side common e ...
analysis of the interleaved isolated boost
... In this paper, a detailed steady-state analysis of the IBCI has been presented. This allowed the definition of a noniterative design procedure where all circuit parameters can be sized moving from a reduced set of specifications. Incidentally, the structural equivalence of the IBCI and the SAB has b ...
... In this paper, a detailed steady-state analysis of the IBCI has been presented. This allowed the definition of a noniterative design procedure where all circuit parameters can be sized moving from a reduced set of specifications. Incidentally, the structural equivalence of the IBCI and the SAB has b ...
EXPERIMENT 3. SINGLE TUNED AMPLIFIERS Introduction
... small bandwidth, small gain bandwidth product, and do not provide flatten response. On the other hand, their alignment is more straightforward than double tuned amplifiers. ...
... small bandwidth, small gain bandwidth product, and do not provide flatten response. On the other hand, their alignment is more straightforward than double tuned amplifiers. ...
Advanced Control Architectures for Intelligent MicroGrids, Part I
... could be operated without the use of phase-locked loops (PLLs), and that total load real- and reactive-power could be shared based on the converter ratings. Subsequent work [3], [4] extended the droop concept to ensure sharing of harmonic currents of non-linear loads. This was done by extending the ...
... could be operated without the use of phase-locked loops (PLLs), and that total load real- and reactive-power could be shared based on the converter ratings. Subsequent work [3], [4] extended the droop concept to ensure sharing of harmonic currents of non-linear loads. This was done by extending the ...
File - Senior Design
... a digital multimeter After these subsystems were finalized a prototype system was constructed. ...
... a digital multimeter After these subsystems were finalized a prototype system was constructed. ...
maximum power point tracking of pv arrays under partial
... There exists a variety of maximum power point tracking (MPPT) techniques, each having its own merits and demerits. Under partialshading conditions, the conventional tracking techniques fail to guarantee successful tracking of the global maximum power, ie the conventional MPPT methods such as perturb ...
... There exists a variety of maximum power point tracking (MPPT) techniques, each having its own merits and demerits. Under partialshading conditions, the conventional tracking techniques fail to guarantee successful tracking of the global maximum power, ie the conventional MPPT methods such as perturb ...
RFVC1831 数据资料DataSheet下载
... RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and ...
... RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric materials and ...
LM217, LM317 1.2 V to 37 V adjustable voltage regulators Description -
... programmable regulators are easily obtainable and, by connecting a fixed resistor between the adjustment and output, the device can be used as a precision current regulator. In order to optimize the load regulation, the current set resistor R1 (see Figure 6) should be tied as close as possible to th ...
... programmable regulators are easily obtainable and, by connecting a fixed resistor between the adjustment and output, the device can be used as a precision current regulator. In order to optimize the load regulation, the current set resistor R1 (see Figure 6) should be tied as close as possible to th ...
5.0 TYPES OF ELECTRICAL CIRCUITS Note: The following
... 5.3.7 Disadvantages of parallel lighting circuits. Some of the major disadvantages of parallel circuits for aerodrome lighting are: (a) The intensity of the lights decreases with line drop along the circuit. This may be misinterpreted if it is noticeable in a pattern of lights; (b) Two conductors ar ...
... 5.3.7 Disadvantages of parallel lighting circuits. Some of the major disadvantages of parallel circuits for aerodrome lighting are: (a) The intensity of the lights decreases with line drop along the circuit. This may be misinterpreted if it is noticeable in a pattern of lights; (b) Two conductors ar ...
1.2 V to 37 V adjustable voltage regulators
... programmable regulators are easily obtainable and, by connecting a fixed resistor between the adjustment and output, the device can be used as a precision current regulator. In order to optimize the load regulation, the current set resistor R1 (see Figure 6) should be tied as close as possible to th ...
... programmable regulators are easily obtainable and, by connecting a fixed resistor between the adjustment and output, the device can be used as a precision current regulator. In order to optimize the load regulation, the current set resistor R1 (see Figure 6) should be tied as close as possible to th ...
DIP SWITCH ADJUSTMENT Multifunction timer ZMR , ZMRS, ZMRV
... on SMR devices is accomplished by an external control contact which is connected to the terminals B1/B2. Activation of the timing function on SMRV devices is accomplished by an control voltage which is connected to terminal B1. After first removal of control source (contact on SMR or voltage on SMRV ...
... on SMR devices is accomplished by an external control contact which is connected to the terminals B1/B2. Activation of the timing function on SMRV devices is accomplished by an control voltage which is connected to terminal B1. After first removal of control source (contact on SMR or voltage on SMRV ...
CAT4237EVAL2EVB CAT4237 High Voltage White LED Driver Evaluation Board User's Manual
... “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ...
... “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ...
Advances in Natural and Applied Sciences
... Opertation of negative output relift converter: The NOSLC is a new series of DC-DC converters possessing high-voltage transfer gain, high power Density, high efficiency, reduced ripple voltage and current (Fanglin luo 2003). The relift circuit performs the voltage lift in a higher way compared to th ...
... Opertation of negative output relift converter: The NOSLC is a new series of DC-DC converters possessing high-voltage transfer gain, high power Density, high efficiency, reduced ripple voltage and current (Fanglin luo 2003). The relift circuit performs the voltage lift in a higher way compared to th ...
difference amplifiers with a rejection factor greater than one
... (this can be achieved in various ways). The mentioned value 2 X 104 is in most cases amply sufficient. A measurement problem that arose some time ago nevertheless prompted us to study the question whether difference amplifiers could be developed with an even higher rejection factor. The problem conc ...
... (this can be achieved in various ways). The mentioned value 2 X 104 is in most cases amply sufficient. A measurement problem that arose some time ago nevertheless prompted us to study the question whether difference amplifiers could be developed with an even higher rejection factor. The problem conc ...
Advances in Natural and Applied Sciences
... pre-determined locations in the s-plane. This method has been used in electric power system for different purposes (El-Sherbiny et al., 1996; Bettayeb and Randhawa, 1999; Lin and Wu, 2011; Li et al., 2012; Mahmud et al., 2014; Schuler et al., 2014). Paper (Mahmud et al., 2014) presents an approach t ...
... pre-determined locations in the s-plane. This method has been used in electric power system for different purposes (El-Sherbiny et al., 1996; Bettayeb and Randhawa, 1999; Lin and Wu, 2011; Li et al., 2012; Mahmud et al., 2014; Schuler et al., 2014). Paper (Mahmud et al., 2014) presents an approach t ...