DEPARTMENT OF ELECTRICAL ENGINEERING EA3220: ELECTRICAL MEASUREMENT & MEASURING INSTRUMENTS
... Note: Minimum eight experiments are to be performed from the following list. The department may add 3 to 4 more experiments in the following list. 1. Calibration of ac voltmeter and ac ammeter 2. Measurement of form factor of a rectified sine wave and determine source of error if r.m.s.value is meas ...
... Note: Minimum eight experiments are to be performed from the following list. The department may add 3 to 4 more experiments in the following list. 1. Calibration of ac voltmeter and ac ammeter 2. Measurement of form factor of a rectified sine wave and determine source of error if r.m.s.value is meas ...
Marquez2009-Modeling-MicroHydropowerPlants.pdf
... proposed in this work is composed of a back-toback AC-DC-AC converter that fulfills all the requirements stated above, as depicted in Fig. 1. Since the variable speed hydro turbine is directly coupled to the synchronous generator, this later produces an output voltage with variable amplitude and fre ...
... proposed in this work is composed of a back-toback AC-DC-AC converter that fulfills all the requirements stated above, as depicted in Fig. 1. Since the variable speed hydro turbine is directly coupled to the synchronous generator, this later produces an output voltage with variable amplitude and fre ...
The Op Amp – Inverting Mode, dc
... 4. Why do we need an amplifier in the system ? 5. What is the voltage gain of an amplifier ? 6. What is the gain of an amplifier which has input voltage of 2V and output voltage of 8V ? 7. What does an amplifier do to the frequency of the signal ? Tutorial Questions page 72 Qu 1 to 6 ...
... 4. Why do we need an amplifier in the system ? 5. What is the voltage gain of an amplifier ? 6. What is the gain of an amplifier which has input voltage of 2V and output voltage of 8V ? 7. What does an amplifier do to the frequency of the signal ? Tutorial Questions page 72 Qu 1 to 6 ...
Sunny Boy Storage 2.5
... PV system operators require only three additional components—Sunny Boy Storage, battery and Energy Meter—to turn their PV system into a fully-fledged storage system. In this way, they can use even more self-generated solar energy in their own home. ...
... PV system operators require only three additional components—Sunny Boy Storage, battery and Energy Meter—to turn their PV system into a fully-fledged storage system. In this way, they can use even more self-generated solar energy in their own home. ...
PS Mods Individ EFB Bias ST-35
... with similar, rather than greatly varying characteristics. That will ensure better AC (signal) balance, and therefore, lower distortion than would otherwise result. The procedure for setting the bias on the four individual output tubes is given in Appendix A. The remaining changes to the amplifier a ...
... with similar, rather than greatly varying characteristics. That will ensure better AC (signal) balance, and therefore, lower distortion than would otherwise result. The procedure for setting the bias on the four individual output tubes is given in Appendix A. The remaining changes to the amplifier a ...
Development of a Compact Three-Phase Induction Motor Drive
... shown in Figure 1. The speed reference, ω m* , is processed through a soft start circuit whose time constant can be adjusted externally with a potentiometer. The output of the soft start circuit provides the modified speed command from which the filtered speed feedback signal is subtracted to provid ...
... shown in Figure 1. The speed reference, ω m* , is processed through a soft start circuit whose time constant can be adjusted externally with a potentiometer. The output of the soft start circuit provides the modified speed command from which the filtered speed feedback signal is subtracted to provid ...
A Study of Induction Motor Starting Methods In Terms of Power Quality
... harmonics. Generally, voltage sags occur due to shortcircuit faults, however, motor starting is also the main cause of voltage sags. The starting of industrial-range motors draws a larger current than normal, typically ten times higher than usual remained until the motor reaches nominal speed, which ...
... harmonics. Generally, voltage sags occur due to shortcircuit faults, however, motor starting is also the main cause of voltage sags. The starting of industrial-range motors draws a larger current than normal, typically ten times higher than usual remained until the motor reaches nominal speed, which ...
Application notes AN1015 current loop output
... applications require that the measurement signal be converted into a suitable standard analog signal for further processing (signal transmission). The reasons for this lie in the simple handling of signal transmission, in the technical limitations of digital buses and/or in the considerable economic ...
... applications require that the measurement signal be converted into a suitable standard analog signal for further processing (signal transmission). The reasons for this lie in the simple handling of signal transmission, in the technical limitations of digital buses and/or in the considerable economic ...
Transmission lines () - Lyle School of Engineering
... resistance from the ratio V/I using constant current I. • The conductance between the two wires is measured in an experiment similar to measuring capacitance, except we measure the “leakage” current I that flows from one wire to another due to imperfect insulation. • All of these measurements can be ...
... resistance from the ratio V/I using constant current I. • The conductance between the two wires is measured in an experiment similar to measuring capacitance, except we measure the “leakage” current I that flows from one wire to another due to imperfect insulation. • All of these measurements can be ...
Electrons - Binus Repository
... • These circuits must be composed of conducting materials, and must have sources of voltage. • Voltage causes current to flow, while resistance and impedance oppose it. • Current consists of electrons flowing away from negative terminals and towards positive terminals. • Knowing these facts allows p ...
... • These circuits must be composed of conducting materials, and must have sources of voltage. • Voltage causes current to flow, while resistance and impedance oppose it. • Current consists of electrons flowing away from negative terminals and towards positive terminals. • Knowing these facts allows p ...
Lab 2
... current is infinitely large, a very non-practical result. In the Norton case (current source without a resistor), the open circuit output voltage will be infinitely large. We then have a circuit that will have a voltage breakdown if we don’t provide a load at the output. Practical sources have some ...
... current is infinitely large, a very non-practical result. In the Norton case (current source without a resistor), the open circuit output voltage will be infinitely large. We then have a circuit that will have a voltage breakdown if we don’t provide a load at the output. Practical sources have some ...
Physics 517/617 Experiment 6 Digital Circuits
... Almost all of the circuits in this part of the course will be built using the "DIGI DESIGNER" and tested using a logic probe. You should become familiar with both of these tools before you start the lab. The spec sheets for all the chips used in this lab are available in a separate handout. 1) Verif ...
... Almost all of the circuits in this part of the course will be built using the "DIGI DESIGNER" and tested using a logic probe. You should become familiar with both of these tools before you start the lab. The spec sheets for all the chips used in this lab are available in a separate handout. 1) Verif ...
Part 1: Harmonics
... 3.3.6 Determination of the fundamental and the power factor for the limit calculation of class C equipment The fundamental current and power factor, specified by the manufacturer, shall be used for the calculation of limits. The fundamental component of the current and the power factor are measured ...
... 3.3.6 Determination of the fundamental and the power factor for the limit calculation of class C equipment The fundamental current and power factor, specified by the manufacturer, shall be used for the calculation of limits. The fundamental component of the current and the power factor are measured ...
Lecture 11
... The typical value of the quality factor of RLC resonant circuits at high frequencies is 100. It cannot be increased significantly either by increasing frequency or by increasing the diameter of the wire of the inductor because of the skin effect. At frequencies starting from about 100 kHz, the curre ...
... The typical value of the quality factor of RLC resonant circuits at high frequencies is 100. It cannot be increased significantly either by increasing frequency or by increasing the diameter of the wire of the inductor because of the skin effect. At frequencies starting from about 100 kHz, the curre ...
2008. Lecture 11 (361-1
... The typical value of the quality factor of RLC resonant circuits at high frequencies is 100. It cannot be increased significantly either by increasing frequency or by increasing the diameter of the wire of the inductor because of the skin effect. At frequencies starting from about 100 kHz, the curre ...
... The typical value of the quality factor of RLC resonant circuits at high frequencies is 100. It cannot be increased significantly either by increasing frequency or by increasing the diameter of the wire of the inductor because of the skin effect. At frequencies starting from about 100 kHz, the curre ...
Asynchronous Motor Elements
... The cage consists of specially selected high-pressure die-casting. This insures almost 100% fill of the slot volume, so that greater mechanical strength of the rotor is achieved and the out of balance centrifugal forces are low. This inherent balance remains constant. Special modifications can be ma ...
... The cage consists of specially selected high-pressure die-casting. This insures almost 100% fill of the slot volume, so that greater mechanical strength of the rotor is achieved and the out of balance centrifugal forces are low. This inherent balance remains constant. Special modifications can be ma ...
Electrical Safety * NFPA Requirements
... - Cord-connected equipment/normal polarity/ground intact- 100uA - Cord-connected equipment/normal polarity/ground disconnected - 500uA - When multiple devices are connected together and more than one power cord supplies power, the devices shall be separated into groups according to their power suppl ...
... - Cord-connected equipment/normal polarity/ground intact- 100uA - Cord-connected equipment/normal polarity/ground disconnected - 500uA - When multiple devices are connected together and more than one power cord supplies power, the devices shall be separated into groups according to their power suppl ...
UNIVERSITIES OF MANCHESTER LIVERPOOL LEEDS
... Answer three questions from this section. 9. In an experiment to measure Young’s modulus for steel a wire is suspended vertically and loaded at the free end. In such an experiment, (a) why is the wire long and thin, (b) why is a second steel wire suspended adjacent to the first? Sketch the graph you ...
... Answer three questions from this section. 9. In an experiment to measure Young’s modulus for steel a wire is suspended vertically and loaded at the free end. In such an experiment, (a) why is the wire long and thin, (b) why is a second steel wire suspended adjacent to the first? Sketch the graph you ...
HS33 - Manual Ranging Digital Multimeter
... Never ground yourself when taking electrical measurements. Do not touch exposed metal pipes, outlets, fixtures, etc., which might be at ground potential. Keep your body isolated from ground by using dry clothing, rubber shoes, rubber mats, or any approved insulating material. When disconnecting from ...
... Never ground yourself when taking electrical measurements. Do not touch exposed metal pipes, outlets, fixtures, etc., which might be at ground potential. Keep your body isolated from ground by using dry clothing, rubber shoes, rubber mats, or any approved insulating material. When disconnecting from ...
Alternating current
Alternating current (AC), is an electric current in which the flow of electric charge periodically reverses direction, whereas in direct current (DC, also dc), the flow of electric charge is only in one direction. The abbreviations AC and DC are often used to mean simply alternating and direct, as when they modify current or voltage.AC is the form in which electric power is delivered to businesses and residences. The usual waveform of alternating current in most electric power circuits is a sine wave. In certain applications, different waveforms are used, such as triangular or square waves. Audio and radio signals carried on electrical wires are also examples of alternating current. These types of alternating current carry information encoded (or modulated) onto the AC signal, such as sound (audio) or images (video).