1. introduction - Scientific Bulletin of Electrical Engineering Faculty
... frequency disturbances caused by such an equipment are evaluated by means of a specified voltage across a resistor which simulate the wave impedance of the line although the overall effect is evaluated in the vicinity of the overhead line by means of radiated disturbances. This voltage is measured u ...
... frequency disturbances caused by such an equipment are evaluated by means of a specified voltage across a resistor which simulate the wave impedance of the line although the overall effect is evaluated in the vicinity of the overhead line by means of radiated disturbances. This voltage is measured u ...
AP6503 Description Pin Assignments
... Power Input. IN supplies the power to the IC, as well as the step-down converter switches. Drive IN with a 4.7V to 23V power source. Bypass IN to GND with a suitably large capacitor to eliminate noise on the input to the IC. See Input Capacitor. Power Switching Output. SW is the switching node that ...
... Power Input. IN supplies the power to the IC, as well as the step-down converter switches. Drive IN with a 4.7V to 23V power source. Bypass IN to GND with a suitably large capacitor to eliminate noise on the input to the IC. See Input Capacitor. Power Switching Output. SW is the switching node that ...
TB62262FTAG
... shutdown (TSD) circuitry. It is advisable to keep the maximum current below a certain level so that the maximum junction temperature, Tj (MAX), will not exceed 120°C. Caution) Absolute maximum ratings The absolute maximum ratings of a semiconductor device are a set of ratings that must not be exceed ...
... shutdown (TSD) circuitry. It is advisable to keep the maximum current below a certain level so that the maximum junction temperature, Tj (MAX), will not exceed 120°C. Caution) Absolute maximum ratings The absolute maximum ratings of a semiconductor device are a set of ratings that must not be exceed ...
BDTIC www.BDTIC.com/infineon Power Management PX3516
... than 2.4V) the Low Side MOSFET is turned off, after the turn off delay propagation time. Then the High Side MOSFET is turned on, after the turn on propagation delay time. Once the on time is expired the PWM signal provides a transition between the high states to the low state (PWM voltage lower than ...
... than 2.4V) the Low Side MOSFET is turned off, after the turn off delay propagation time. Then the High Side MOSFET is turned on, after the turn on propagation delay time. Once the on time is expired the PWM signal provides a transition between the high states to the low state (PWM voltage lower than ...
7224 specification sheet
... • Efficient design and light weight chassis materials allow amplifier to occupy only 2U height and weigh only 41 lbs. • Protection circuitry protects the AE Techron 7224 from input overloads, improper output connection (including shorted and improper loads), over-temperature, over-current, and suppl ...
... • Efficient design and light weight chassis materials allow amplifier to occupy only 2U height and weigh only 41 lbs. • Protection circuitry protects the AE Techron 7224 from input overloads, improper output connection (including shorted and improper loads), over-temperature, over-current, and suppl ...
Barriers
... Insulated barrier: grounding resistance 100Ω max. • Intrinsically safe and non-intrinsically safe parts are electrically isolated by an isolation transformer. If a sufficient isolation distance is not provided on the isolation transformer, however, the transformer may short-circuit between primary ...
... Insulated barrier: grounding resistance 100Ω max. • Intrinsically safe and non-intrinsically safe parts are electrically isolated by an isolation transformer. If a sufficient isolation distance is not provided on the isolation transformer, however, the transformer may short-circuit between primary ...
MP830
... The Protechtor MP-830 is a multi-featured relay providing comprehensive protection for 3 phase AC induction motor systems. The unit is a phase angle, current sensing and voltage sensing relay, that can automatically set up trip points within specified limits around the normal operating conditions of ...
... The Protechtor MP-830 is a multi-featured relay providing comprehensive protection for 3 phase AC induction motor systems. The unit is a phase angle, current sensing and voltage sensing relay, that can automatically set up trip points within specified limits around the normal operating conditions of ...
VFDs: Do`s and Don`ts - PNWS-AWWA
... Typically set from 4K to 5K hz (pulses per second) VFDs can typically adjust between 2K and 12K The higher the setting the quieter the operation but the motor takes a beating. More inefficient, more heat, shortened motor life The lower the setting the noisier the operation but it’s harder on the VFD ...
... Typically set from 4K to 5K hz (pulses per second) VFDs can typically adjust between 2K and 12K The higher the setting the quieter the operation but the motor takes a beating. More inefficient, more heat, shortened motor life The lower the setting the noisier the operation but it’s harder on the VFD ...
Measuring Micro-amp Inductor Currents in Switched
... Inserting a series resistor RS [12] like Fig. 8 shows is another way of monitoring iL. Since RS distorts iL, however, RS must be low, and in consequence, so is RS's voltage vS. This is why AV amplifies vS in Fig. 8. But since AV also magnifies input noise iNIRS and vNI, LPF attenuates frequency comp ...
... Inserting a series resistor RS [12] like Fig. 8 shows is another way of monitoring iL. Since RS distorts iL, however, RS must be low, and in consequence, so is RS's voltage vS. This is why AV amplifies vS in Fig. 8. But since AV also magnifies input noise iNIRS and vNI, LPF attenuates frequency comp ...
Fixed Power Factor Correction Capacitors, with
... Capacitor Cell Construction: Self-healing, metalized polypropylene film; dry (resinencapsulated) or liquid-impregnated with non-PCB, non-toxic, biodegradable dielectric fluid; provide three-phase cells (configurations utilizing factory-wide single phase capacitors are not acceptable). Each cell shal ...
... Capacitor Cell Construction: Self-healing, metalized polypropylene film; dry (resinencapsulated) or liquid-impregnated with non-PCB, non-toxic, biodegradable dielectric fluid; provide three-phase cells (configurations utilizing factory-wide single phase capacitors are not acceptable). Each cell shal ...
Clamp-on Meters
... • Unless measuring voltage, current, or frequency, shut off and lock out power. Make sure that all capacitors are discharged. Voltage must not be present. • Using this unit near equipment that generates electromagnetic interference can result in unstable or inaccurate readings. Failure to observe th ...
... • Unless measuring voltage, current, or frequency, shut off and lock out power. Make sure that all capacitors are discharged. Voltage must not be present. • Using this unit near equipment that generates electromagnetic interference can result in unstable or inaccurate readings. Failure to observe th ...
Lightning and Surge Protection – Technical Note
... permanently connected to AC must withstand Overvoltage Category III (marked OVC III), while DC connection must withstand OVC II. Impulse-withstand voltage ratings for the mains circuit are assigned based on the above OVC and on the mains system voltage, as in section 7.3.7.1.4 of IEC62109 and is >4k ...
... permanently connected to AC must withstand Overvoltage Category III (marked OVC III), while DC connection must withstand OVC II. Impulse-withstand voltage ratings for the mains circuit are assigned based on the above OVC and on the mains system voltage, as in section 7.3.7.1.4 of IEC62109 and is >4k ...
crosstalk and reflections in high
... T1 < 2Td) and the length of the line, while Vf is a direct function of these parameters. Thus, for· the case that T 1 < 2Td the forward and backward induced pulses on the sense line have decidedly different characteristics and sensitivities. By altering the geometrical cross section and permittivity ...
... T1 < 2Td) and the length of the line, while Vf is a direct function of these parameters. Thus, for· the case that T 1 < 2Td the forward and backward induced pulses on the sense line have decidedly different characteristics and sensitivities. By altering the geometrical cross section and permittivity ...
Strand Dimming Systems Power and Diming Control solutions for
... mechanical bypass relay for each dimmer. Each module has two individual recess mounted switches that allow for a manual switch control between Dimmer, Non-Dim (Relay) and BP (Constant) so there is never a mistake about how your system is set up. Many solid state lighting instruments do not like powe ...
... mechanical bypass relay for each dimmer. Each module has two individual recess mounted switches that allow for a manual switch control between Dimmer, Non-Dim (Relay) and BP (Constant) so there is never a mistake about how your system is set up. Many solid state lighting instruments do not like powe ...
ISL6744A - Intersil
... delay adds directly to the switching duration, and also causes overshoot of the timing capacitor peak and valley voltage thresholds, effectively increasing the peak-to-peak voltage on the timing capacitor. Additionally, if very low charge and discharge currents are used, there will be an increased e ...
... delay adds directly to the switching duration, and also causes overshoot of the timing capacitor peak and valley voltage thresholds, effectively increasing the peak-to-peak voltage on the timing capacitor. Additionally, if very low charge and discharge currents are used, there will be an increased e ...
Role of stored energy on operation of squirrel cage induction motor
... voltage sag on performance characteristics of induction motor is proposed in this paper. Induction motor being most popular in industry, it is very important to carry out studies about the effects of power quality on operational performance of induction motor. The major effects of voltage sag on ope ...
... voltage sag on performance characteristics of induction motor is proposed in this paper. Induction motor being most popular in industry, it is very important to carry out studies about the effects of power quality on operational performance of induction motor. The major effects of voltage sag on ope ...
Fuses - R Rated
... Medium voltage motors are efficiently protected by overload relays applied in conjunction with back-up current-limiting fuses which are intended to open the circuit for high fault conditions. The overload relay is chosen to interrupt currents below the minimum interrupting rating of the fuse. Since ...
... Medium voltage motors are efficiently protected by overload relays applied in conjunction with back-up current-limiting fuses which are intended to open the circuit for high fault conditions. The overload relay is chosen to interrupt currents below the minimum interrupting rating of the fuse. Since ...
EM720 POWER QUALITY AND REVENUE METER
... State of the art Power Quality Recorder (onboard PQ analyzer according to EN50160; programmable thresholds and hysteresis; ready-for-use reports; sags/swells, interruptions, frequency variations; flicker, temporary overvoltages, transient overvoltages, voltage unbalance, harmonic and interharmonics ...
... State of the art Power Quality Recorder (onboard PQ analyzer according to EN50160; programmable thresholds and hysteresis; ready-for-use reports; sags/swells, interruptions, frequency variations; flicker, temporary overvoltages, transient overvoltages, voltage unbalance, harmonic and interharmonics ...
CA320004EN
... S.T.A.R.™ low voltage reset (LVR) faulted circuit indicators to quickly and easily locate faulted sections of underground cable systems. These faulted circuit indicators (FCIs) can be installed on pad-mounted distribution transformers or wherever a secondary voltage source is available. The secondar ...
... S.T.A.R.™ low voltage reset (LVR) faulted circuit indicators to quickly and easily locate faulted sections of underground cable systems. These faulted circuit indicators (FCIs) can be installed on pad-mounted distribution transformers or wherever a secondary voltage source is available. The secondar ...
control requirements for optimal operation of large isolated systems
... to be installed in the eastern part of the island, nearby Sitia, where the wind conditions are most favorable. This means that, if a fault occurs near this site causing the tripping of the nearby circuit breakers, a large amount of power will be lost suddenly. This abnormal condition may impose seri ...
... to be installed in the eastern part of the island, nearby Sitia, where the wind conditions are most favorable. This means that, if a fault occurs near this site causing the tripping of the nearby circuit breakers, a large amount of power will be lost suddenly. This abnormal condition may impose seri ...
Products for Totally Integrated Automation - Catalog ST
... • Nominal voltage • Permissible range • Short-term • Max. current consumption, without load Output voltage range: • With 0 signal, max. • With 1 signal, min. Output current: • With 0 signal, min. • With 1 signal - Rated value - Permissible range, max. ...
... • Nominal voltage • Permissible range • Short-term • Max. current consumption, without load Output voltage range: • With 0 signal, max. • With 1 signal, min. Output current: • With 0 signal, min. • With 1 signal - Rated value - Permissible range, max. ...