Chapter-16 Computerized Testing of Energy Meters
... If a high capacity meter is to be tested whilst in service, the voltage coil is supplied from the line in the normal way; but the current coil is removed from the consumer’s load circuit and replaced by a short-circuiting connection (CT shorting links at the test plug). The current coil is then supp ...
... If a high capacity meter is to be tested whilst in service, the voltage coil is supplied from the line in the normal way; but the current coil is removed from the consumer’s load circuit and replaced by a short-circuiting connection (CT shorting links at the test plug). The current coil is then supp ...
Analog Dialogue - Analog Devices
... of the noise appears on both wires (common-mode), measuring differentially eliminates it. The second is low-pass filtering, which removes out-of-band noise. The low-pass filter should remove both radio-frequency interference (above 1 MHz) that may cause rectification in the amplifier and 50 Hz/60 Hz ...
... of the noise appears on both wires (common-mode), measuring differentially eliminates it. The second is low-pass filtering, which removes out-of-band noise. The low-pass filter should remove both radio-frequency interference (above 1 MHz) that may cause rectification in the amplifier and 50 Hz/60 Hz ...
ACTIVE POWER FILTERING TECHNIQUES FOR HARMONIC
... power supplies, etc.) to improve system efficiency and controllability is increasing the concern for harmonic distortion levels in end use facilities and on the overall power system. The application of passive tuned filters creates new system resonances which are dependent on specific system conditi ...
... power supplies, etc.) to improve system efficiency and controllability is increasing the concern for harmonic distortion levels in end use facilities and on the overall power system. The application of passive tuned filters creates new system resonances which are dependent on specific system conditi ...
FZT458 Features Mechanical Data
... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
4 Electric Circuits
... Series circuits have only one path for moving charges. So, if there is any break in the circuit, the current stops. For example, if one light bulb in a series circuit burns out, the circuit breaks. None of the light bulbs in the circuit will light. Using series circuits would not be a very good way ...
... Series circuits have only one path for moving charges. So, if there is any break in the circuit, the current stops. For example, if one light bulb in a series circuit burns out, the circuit breaks. None of the light bulbs in the circuit will light. Using series circuits would not be a very good way ...
LT6600-20
... amples where impedance must be considered is the evaluation of the LT6600-20 with a network analyzer. Figure 5 is a laboratory setup that can be used to characterize the LT6600-20 using single-ended instruments with 50 source impedance and 50Ω input impedance. For a unity gain configuration the LT660 ...
... amples where impedance must be considered is the evaluation of the LT6600-20 with a network analyzer. Figure 5 is a laboratory setup that can be used to characterize the LT6600-20 using single-ended instruments with 50 source impedance and 50Ω input impedance. For a unity gain configuration the LT660 ...
MAX8654 12V, 8A 1.2MHz Step-Down Regulator General Description
... Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260°C ...
... Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) .......................................+260°C ...
PQ1 Power Quality Relay Full Data Sheet 1.20
... The wire cross section must be adequate for 100mA, and insulation must be adequate for the rated voltage. The PQ1 may be connected line-to-neutral or line-to-line. Do not connect any load, including the PQ1, from line-to-ground. If your PQ1 will be monitoring 277 Vrms, 400 Vrms, 480 Vrms, or higher, ...
... The wire cross section must be adequate for 100mA, and insulation must be adequate for the rated voltage. The PQ1 may be connected line-to-neutral or line-to-line. Do not connect any load, including the PQ1, from line-to-ground. If your PQ1 will be monitoring 277 Vrms, 400 Vrms, 480 Vrms, or higher, ...
Quick Installation Guide PVI-3.8/4.6-I
... switches (external) --Connect all the strings included in the design of the system and always check the tightness of the connectors --If some of the string inputs should not be used you must proceed to verify the presence of covers on DC input connectors and then install them should they be absent: ...
... switches (external) --Connect all the strings included in the design of the system and always check the tightness of the connectors --If some of the string inputs should not be used you must proceed to verify the presence of covers on DC input connectors and then install them should they be absent: ...
analysis of load test, transformation, turns ratio, efficiency and
... The method is simple, efficient and accurate, by an exhaustive analysis. The following constraints are imposed: excitation current, load fractions, efficiency and voltage regulations. The methodology of this paper requires only two input data: primary side of the transformer and the secondary side o ...
... The method is simple, efficient and accurate, by an exhaustive analysis. The following constraints are imposed: excitation current, load fractions, efficiency and voltage regulations. The methodology of this paper requires only two input data: primary side of the transformer and the secondary side o ...
MAX8643 3A, 2MHz Step-Down Regulator with Integrated Switches General Description
... the IC’s package power dissipation limits. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections ...
... the IC’s package power dissipation limits. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections ...
Physics Week 3(Sem. 2)
... that with zero resistivity, these materials offer no resistance to electric current and are, therefore, perfect conductors. One of the remarkable properties of zero resistivity is that once a current is established in a super conducting ring, it continues indefinitely without the need of an EM ...
... that with zero resistivity, these materials offer no resistance to electric current and are, therefore, perfect conductors. One of the remarkable properties of zero resistivity is that once a current is established in a super conducting ring, it continues indefinitely without the need of an EM ...
National Electrical Code Nfpa 70 2014 Edition
... and lamps that comply with FCC Part 15 or Part 18 limits for nonconsumer equipment to be labeled “Not for use in dwellings”. • The submitters claimed that empirical field data shows lighting equipment cause nuisance tripping of Arc-Fault Circuit-Interrupters. • These proposals were rejected by the P ...
... and lamps that comply with FCC Part 15 or Part 18 limits for nonconsumer equipment to be labeled “Not for use in dwellings”. • The submitters claimed that empirical field data shows lighting equipment cause nuisance tripping of Arc-Fault Circuit-Interrupters. • These proposals were rejected by the P ...
ZXRE060 0.6V ADJUSTABLE PRECISION SHUNT REGULATOR Description
... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
... Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: ...
Current And Voltage Measurements
... Published by Facts On File, Inc. All electronic storage, reproduction, or transmittal is copyright protected by the publisher. ...
... Published by Facts On File, Inc. All electronic storage, reproduction, or transmittal is copyright protected by the publisher. ...
Where power meets precision PX8000
... during repeated high-frequency measurements can often be hard to isolate, disappearing from the screen almost as soon as they appear. The PX8000 has an always-active History function that automatically records up to 1,000 historical waveforms. These waveforms can be recalled and redisplayed at any t ...
... during repeated high-frequency measurements can often be hard to isolate, disappearing from the screen almost as soon as they appear. The PX8000 has an always-active History function that automatically records up to 1,000 historical waveforms. These waveforms can be recalled and redisplayed at any t ...
S25096101
... width-modulated (PWM) converter equipped with a dc capacitor or a current-source PWM converter equipped with a dc inductor. At present, the voltagesource converter is more favorable than the currentsource one in terms of cost, physical size, and efficiency. Hybrid active filters consist of single or ...
... width-modulated (PWM) converter equipped with a dc capacitor or a current-source PWM converter equipped with a dc inductor. At present, the voltagesource converter is more favorable than the currentsource one in terms of cost, physical size, and efficiency. Hybrid active filters consist of single or ...
Elec 499 Final Report - Electrical and Computer Engineering
... This report is the result of work completed in the course ENGR 499 during the spring semester 2005. The ZVT-PWM DC/DC Boost Converter consists of a standard PWM boost converter, a snubber cell used to implement soft-switching, and a control circuit which generates the pulse trains, and implements a ...
... This report is the result of work completed in the course ENGR 499 during the spring semester 2005. The ZVT-PWM DC/DC Boost Converter consists of a standard PWM boost converter, a snubber cell used to implement soft-switching, and a control circuit which generates the pulse trains, and implements a ...
Surge protector
A surge protector (or surge suppressor) is an appliance/device designed to protect electrical devices from voltage spikes. A surge protector attempts to limit the voltage supplied to an electric device by either blocking or by shorting to ground any unwanted voltages above a safe threshold. This article primarily discusses specifications and components relevant to the type of protector that diverts (shorts) a voltage spike to ground; however, there is some coverage of other methods.The terms surge protection device (SPD), or transient voltage surge suppressor (TVSS), are used to describe electrical devices typically installed in power distribution panels, process control systems, communications systems, and other heavy-duty industrial systems, for the purpose of protecting against electrical surges and spikes, including those caused by lightning. Scaled-down versions of these devices are sometimes installed in residential service entrance electrical panels, to protect equipment in a household from similar hazards.Many power strips have basic surge protection built in; these are typically clearly labeled as such. However, power strips that do not provide surge protection are sometimes erroneously referred to as ""surge protectors"".