Reactive Power Control
... • The system has worked perfectly in all cases and saved the SR grid • Some improvements are being done in following cases • Pole 2 trip on 11.06.2010 – Problem in the Pole control system selection – DC power was around 700MW and Pole 1 has taken over the power immediately after tripping – Hence int ...
... • The system has worked perfectly in all cases and saved the SR grid • Some improvements are being done in following cases • Pole 2 trip on 11.06.2010 – Problem in the Pole control system selection – DC power was around 700MW and Pole 1 has taken over the power immediately after tripping – Hence int ...
IQAN-XC21 Instruction book
... • As a strong recommendation about work practices when using the product in the machine (e.g. routines when updating an application). This use is common to the term 'hazardous situation', that a person is exposed to a hazard. • As a way of pointing out important information for the machine designer ...
... • As a strong recommendation about work practices when using the product in the machine (e.g. routines when updating an application). This use is common to the term 'hazardous situation', that a person is exposed to a hazard. • As a way of pointing out important information for the machine designer ...
B. Doubly Fed Induction Generator.
... of synchronous generators that are located near the fault, that react increasing their reactive power output. In regions with important wind energy penetration and little synchronous generation, voltage dips can be quite deep. When a voltage dip reaches a wind generator (squirrel cage machine), the ...
... of synchronous generators that are located near the fault, that react increasing their reactive power output. In regions with important wind energy penetration and little synchronous generation, voltage dips can be quite deep. When a voltage dip reaches a wind generator (squirrel cage machine), the ...
Dec 2002 2500V/µs Slew Rate Op Amps Process Large Signals with Low Distortion at High Frequencies
... and Q13 raise the output impedance of the mirror, improving the open loop gain. Resistor R1, the transconductances of Q5–Q8, and the compensation capacitor C1 set the 400MHz gain bandwidth product of the amplifier. The RC, CC network between the high impedance node and the output provides extra comp ...
... and Q13 raise the output impedance of the mirror, improving the open loop gain. Resistor R1, the transconductances of Q5–Q8, and the compensation capacitor C1 set the 400MHz gain bandwidth product of the amplifier. The RC, CC network between the high impedance node and the output provides extra comp ...
Inverter topologies
... • INV1-RES – maintains a good efficiency over the range with resistive load. • INV1-ELEC – efficiency drops down as a result of the current drawn by the load. • INV2-RES – maintains a good efficiency over the range with resistive load. • INV2-ELEC – efficiency drops down as a result of the current d ...
... • INV1-RES – maintains a good efficiency over the range with resistive load. • INV1-ELEC – efficiency drops down as a result of the current drawn by the load. • INV2-RES – maintains a good efficiency over the range with resistive load. • INV2-ELEC – efficiency drops down as a result of the current d ...
Efficiency
... the efficiency is always less than one. In the case of a.c. machines the rating is expressed in terms of apparent power. It is nothing but the product of the applied voltage and the current drawn. The actual power delivered is a function of the power factor at which this current is drawn. As the rea ...
... the efficiency is always less than one. In the case of a.c. machines the rating is expressed in terms of apparent power. It is nothing but the product of the applied voltage and the current drawn. The actual power delivered is a function of the power factor at which this current is drawn. As the rea ...
Electrical Safety - the Mining Quiz List
... If work is performed near overhead lines, they must be deenergized and grounded, or other protective measures provided before work is started. If the lines are to be de-energized, arrangements must be made with the person or organization that operates or controls them to de-energize and ground t ...
... If work is performed near overhead lines, they must be deenergized and grounded, or other protective measures provided before work is started. If the lines are to be de-energized, arrangements must be made with the person or organization that operates or controls them to de-energize and ground t ...
Memory 12-Bit A/D Converter
... - Operates with +5V and -12V power supplies - Fast 125 ns bus-access time ...
... - Operates with +5V and -12V power supplies - Fast 125 ns bus-access time ...
Bandgap References
... node P may be quite long if the op amp suffers from a slow response. For this reason, many applications may require a high-speed op amp in the reference generator. The critical node P can be bypassed to ground by means of a large capacitor (CB) so as to suppress the effect of external disturbances ...
... node P may be quite long if the op amp suffers from a slow response. For this reason, many applications may require a high-speed op amp in the reference generator. The critical node P can be bypassed to ground by means of a large capacitor (CB) so as to suppress the effect of external disturbances ...
May 2001 LT1815: 220MHz, 1500V/µs Amplifier Saves Space and Power
... input signal across the internal resistor R1. The input common mode range extends to typically 0.8V from either supply, and is limited by a VBE of Q10/Q14 plus a VSAT of Q5/Q6. NPN and PNP current mirrors Q10–Q11 and Q14–Q15 mirror the current generated through R1 into the high impedance node. Casco ...
... input signal across the internal resistor R1. The input common mode range extends to typically 0.8V from either supply, and is limited by a VBE of Q10/Q14 plus a VSAT of Q5/Q6. NPN and PNP current mirrors Q10–Q11 and Q14–Q15 mirror the current generated through R1 into the high impedance node. Casco ...
High-Power DC-DC Converter - E.ON Energy Research Center
... In this project, dynamic models of the DABC were developed for the first time to provide high-bandwidth, instantaneous current control, that enable fast response of the DABC to load variations (a full power step response without oscillations can be made within one third of a switching period). Furth ...
... In this project, dynamic models of the DABC were developed for the first time to provide high-bandwidth, instantaneous current control, that enable fast response of the DABC to load variations (a full power step response without oscillations can be made within one third of a switching period). Furth ...
ECE 309 - Clemson University
... subject line, identification symbol, distribution notice, and attachment or enclosure notice. Most organizations, through regulations or through custom, have standard or semi-standard formats for the heading lines. Some common types of memo reports are the progress report and the status report. Thes ...
... subject line, identification symbol, distribution notice, and attachment or enclosure notice. Most organizations, through regulations or through custom, have standard or semi-standard formats for the heading lines. Some common types of memo reports are the progress report and the status report. Thes ...
POWER ELECTRONICS AND ITS CHALLENGES
... AC to AC Converter (AC voltage regulator) DC to AC Converter (Inverter) The design of power electronics converter circuits requires design the power and control circuits. The voltage and current harmonics that are generated by the power converters can be reduced or minimized with a proper choice ...
... AC to AC Converter (AC voltage regulator) DC to AC Converter (Inverter) The design of power electronics converter circuits requires design the power and control circuits. The voltage and current harmonics that are generated by the power converters can be reduced or minimized with a proper choice ...
J.W. Phinney, D.J. Perreault, and J.H. Lang, “Radio-Frequency Inverters with Transmission-Line Input Networks,” IEEE Transactions on Power Electronics , Vol. 22, No. 4, pp. 1154-1161, July 2007.
... Abstract—A soft-switching inverter topology (the Class ) is presented which draws dc source current through a transmission line or a lumped-network approximation of a distributed line. By aligning the inverter switching frequency just below the line’s 4-wave resonance, the Class topology enforces od ...
... Abstract—A soft-switching inverter topology (the Class ) is presented which draws dc source current through a transmission line or a lumped-network approximation of a distributed line. By aligning the inverter switching frequency just below the line’s 4-wave resonance, the Class topology enforces od ...
ADS901 数据资料 dataSheet 下载
... supply rails, as shown in Figure 5. Two additional resistors (RT, RB) are necessary to set the correct current through the ladder. However depending on the desired full-scale swing and supply voltage different resistor values might be selected. The trade-offs, when selecting this reference circuit, ...
... supply rails, as shown in Figure 5. Two additional resistors (RT, RB) are necessary to set the correct current through the ladder. However depending on the desired full-scale swing and supply voltage different resistor values might be selected. The trade-offs, when selecting this reference circuit, ...
this PDF file - European Scientific Journal
... precision of the final result of the system using it. The rapid growth of the signal processing applications is driving the pipelined ADC design towards higher speed, higher precision, lower power consumption, lower supply voltage, smaller size and higher levels of integration along with the advance ...
... precision of the final result of the system using it. The rapid growth of the signal processing applications is driving the pipelined ADC design towards higher speed, higher precision, lower power consumption, lower supply voltage, smaller size and higher levels of integration along with the advance ...
... giving by voltage of differential thermocouple are collected. Also measurements were taken at different frequencies (50 Hz to 500 Hz). The temperature rise (Voltage of differential thermocouple) in the HTS tape when carrying AC currents at a frequency of 500 Hz was obtained and is presented in the F ...
Select appropriate values for Variable Resistor R and Capacitor C
... CSC23 Lab Work 1 –RLC Circuit Transient & Frequency Responses ...
... CSC23 Lab Work 1 –RLC Circuit Transient & Frequency Responses ...