B-138 Series, Rated up to 60 Amps, 115/200 VAC, 400... HARTMAN Power Switching AC Contactors Product Facts
... All Circuits to Ground — 1,500 Vrms Circuit to Circuit — 1,500 Vrms Coil to Ground and Aux. Contacts — ...
... All Circuits to Ground — 1,500 Vrms Circuit to Circuit — 1,500 Vrms Coil to Ground and Aux. Contacts — ...
Solving high-voltage off-line HB-LED constant-current control
... Table 2: Experimental results with 12 HB-LEDS (two LUXEON flood 25-0032 boards) @ 350. mA Figures 2 and 3 indicate slightly worse ripple for higher input voltages as theory predicts, owing to the correspondingly small duty cycle. This suggests better performance in low mains-voltage regions such as ...
... Table 2: Experimental results with 12 HB-LEDS (two LUXEON flood 25-0032 boards) @ 350. mA Figures 2 and 3 indicate slightly worse ripple for higher input voltages as theory predicts, owing to the correspondingly small duty cycle. This suggests better performance in low mains-voltage regions such as ...
ILSCOPedia \ Electrical Industry Terminology
... rod with the copper metallurgically bonded to an aluminum core. The copper forms a minimum of 10 percent of the cross-sectional area of a solid conductor or each strand of a stranded conductor. CORONA - Phenomenon associated with all transmission lines. Under certain conditions, the localized electr ...
... rod with the copper metallurgically bonded to an aluminum core. The copper forms a minimum of 10 percent of the cross-sectional area of a solid conductor or each strand of a stranded conductor. CORONA - Phenomenon associated with all transmission lines. Under certain conditions, the localized electr ...
600 V, 1.0 A Power Rectifier
... high-quality high-reliability products and recommends adopting safety measures when designing equipment to avoid accidents or malfunctions. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. "Typica ...
... high-quality high-reliability products and recommends adopting safety measures when designing equipment to avoid accidents or malfunctions. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. "Typica ...
... 1) Calculate the two break frequencies using the given values. Measure the two break frequencies by finding the points where v0 / vi 0.7 . Section 5.6 of GIL provides further instructions if needed. Although any amplitude input signal can be used a good recommended signal is 10 V (p-p). The measur ...
Hazards in the home from mains electricity Hazards can include: 1
... metal case, then because the case is earthed, a big current flows in through the live, through the case and out down the earth wire. This surge in current blows the fuse (or trips the circuit breaker), which cuts off the live supply. This isolates the whole appliance making it impossible to get an e ...
... metal case, then because the case is earthed, a big current flows in through the live, through the case and out down the earth wire. This surge in current blows the fuse (or trips the circuit breaker), which cuts off the live supply. This isolates the whole appliance making it impossible to get an e ...
to notes
... and protection devices are used on the low side, but substations supplying large amounts of load may have protection devices on both sides of the transformer. Special substation designs to achieve high reliability may utilize multiple circuit breakers, as shown in Fig. 1. Less expensive designs may ...
... and protection devices are used on the low side, but substations supplying large amounts of load may have protection devices on both sides of the transformer. Special substation designs to achieve high reliability may utilize multiple circuit breakers, as shown in Fig. 1. Less expensive designs may ...
LA4500
... semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety meas ...
... semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety meas ...
2011 Power Factor Calculation by the Finite Element Method CN62
... Power Factor Calculation by The Finite Element Method. (continued) Motor designers sometimes use the direct model to estimate the power factor. In this model the time of passage by zero is taken directly from curves obtained in simulations. This model should not be used when waveforms are charged of ...
... Power Factor Calculation by The Finite Element Method. (continued) Motor designers sometimes use the direct model to estimate the power factor. In this model the time of passage by zero is taken directly from curves obtained in simulations. This model should not be used when waveforms are charged of ...
II. MOS-NDR Device and Inverter DESIGN
... advantages, and they may have high potential as functional devices due to their unique folding I-V characteristics. However these RTD devices are fabricated by the compound semiconductor and process. Therefore this kind of NDR device is difficult to combine with other devices and circuits to achieve ...
... advantages, and they may have high potential as functional devices due to their unique folding I-V characteristics. However these RTD devices are fabricated by the compound semiconductor and process. Therefore this kind of NDR device is difficult to combine with other devices and circuits to achieve ...
Stereo Phono/Line Preamplifier Ultra 4B SE Special Edition User’s Manual
... amplifier configuration giving a gain of around 22 dB. This stage is biased by a lightemitting diode (LED) which provides the required dc bias voltage while presenting a low resistance to signals. This eliminates the necessity of an electrolytic cathode resistor bypass capacitor. The output of this ...
... amplifier configuration giving a gain of around 22 dB. This stage is biased by a lightemitting diode (LED) which provides the required dc bias voltage while presenting a low resistance to signals. This eliminates the necessity of an electrolytic cathode resistor bypass capacitor. The output of this ...
NCP1090GEVB, NCP1094GEVB Power-over-Ethernet PD Interface Evaluation Board
... The evaluation boards consist of different sections that will be described in detail in the next paragraphs. First, we will discuss the input section, including selection of the correct connectors, magnetics and the termination for a Power-over-Ethernet enabled connection. In the next section we wil ...
... The evaluation boards consist of different sections that will be described in detail in the next paragraphs. First, we will discuss the input section, including selection of the correct connectors, magnetics and the termination for a Power-over-Ethernet enabled connection. In the next section we wil ...
Glossary for Wind Farm Power Station Grid Code Provisions
... A device that collects, codes and transmits data. An RTU collects information from a master device and implements processes that are directed by that master. RTUs are equipped with input channels for sensing or Metering, output channels for control, indication or alarms and a communications port. ...
... A device that collects, codes and transmits data. An RTU collects information from a master device and implements processes that are directed by that master. RTUs are equipped with input channels for sensing or Metering, output channels for control, indication or alarms and a communications port. ...
GLC75, GLM75 - SL Power Electronics
... Internal ac fuse provided. Designed to blow only if a catastrophic failure occurs in the unit—fuse does not blow on overload or short circuit. ...
... Internal ac fuse provided. Designed to blow only if a catastrophic failure occurs in the unit—fuse does not blow on overload or short circuit. ...
CH 21 - AC Circuits and Electromagnetic Waves
... A transformer consists of two coils which are closely coupled so that the flux generated by one coil (the primary) passes mostly through the other coil (the secondary). The flux coupling can be made nearly complete if the coils are wound around an easily magnetizable core such as iron. ...
... A transformer consists of two coils which are closely coupled so that the flux generated by one coil (the primary) passes mostly through the other coil (the secondary). The flux coupling can be made nearly complete if the coils are wound around an easily magnetizable core such as iron. ...
FM radio circuit
... The IC has an FLL (Frequency-Locked-Loop) system with an intermediate frequency of 70 kHz. The i.f. selectivity is obtained by active RC filters. The only function which needs alignment is the resonant circuit for the oscillator, thus selecting the reception frequency. Spurious reception is avoided ...
... The IC has an FLL (Frequency-Locked-Loop) system with an intermediate frequency of 70 kHz. The i.f. selectivity is obtained by active RC filters. The only function which needs alignment is the resonant circuit for the oscillator, thus selecting the reception frequency. Spurious reception is avoided ...
Glossary of Terms - Advanced Protection Technologies
... Open-circuit voltage (OCV) - The voltage available from the test set up (surge generator, coupling circuit, back filter, connecting leads) at the terminals where the surge protective device (SPD) under test will be connected. (SC definition) Oscillatory transient - A power quality term that describe ...
... Open-circuit voltage (OCV) - The voltage available from the test set up (surge generator, coupling circuit, back filter, connecting leads) at the terminals where the surge protective device (SPD) under test will be connected. (SC definition) Oscillatory transient - A power quality term that describe ...
Optically addressable field effect nano- environments for chemical imaging
... figure, also indicating the approximate size of the illuminating beam. Contrast in Fig. 2a is determined by differences of amplitude in the u(V) characteristic, which correspond to optical modulations of the photocurrent generation when the beam is masked thought the Al grid and the Pd films. A larg ...
... figure, also indicating the approximate size of the illuminating beam. Contrast in Fig. 2a is determined by differences of amplitude in the u(V) characteristic, which correspond to optical modulations of the photocurrent generation when the beam is masked thought the Al grid and the Pd films. A larg ...