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LM3914 Dot/Bar Display Driver
LM3914 Dot/Bar Display Driver

... can be “chained” to form displays of 20 to over 100 segments. Both ends of the voltage divider are externally available so that 2 drivers can be made into a zero-center meter. The LM3914 is very easy to apply as an analog meter circuit. A 1.2V full-scale meter requires only 1 resistor and a single 3 ...
Calculating the Efficiency of the Solar Cells
Calculating the Efficiency of the Solar Cells

... reaching the material that absorbs the incoming light. Also, there will be a distribution associated with the wavelength dependence of light. AM1 AM0 other wavelength dependence of the source. The material, itself, has a wavelength dependence. Are any of these taken into account when measuring the e ...
2 X 35 W power amplifier for car radio
2 X 35 W power amplifier for car radio

... Printed circuit board and components layout of the circuit of figure 5 . . . . . . . . . . . . . . . . . 8 Clip detector threshold vs. THD set. voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . ...
Case Study 1: RTC/Microcontroller Power Back
Case Study 1: RTC/Microcontroller Power Back

262-30x Digital Panel Meter Relays
262-30x Digital Panel Meter Relays

... maximums for the measured parameter. D.C. Voltage and current can be measured. With the growing popularity of electronic switch mode power supplied (including UPS) and variable speed motor drives, the accurate measurement of current and Voltage in industrial environments has become increasingly impo ...
Effective Power Output Single Phase Inverter Design in
Effective Power Output Single Phase Inverter Design in

... frequently used topology for grid-connected singlephase PV systems, due to its capability to inject current to the grid with low harmonic content. However, its nature is not fully compatible with low power single-phase applications because the input voltage is commonly lower than the peak voltage of ...
Reactive Power Compensation in Transmission Lines Using Static
Reactive Power Compensation in Transmission Lines Using Static

... During the past two decades, the increase in electrical energy demand has presented higher requirements from the power industry. More power plants, substations, and transmission lines need to be constructed. However, the most commonly used devices in present power grid are the mechanically-controlle ...
Impulse Voltage Generators 100 kV up to 1200 kV
Impulse Voltage Generators 100 kV up to 1200 kV

... The impulse voltage generators / series L are the main component of impulse voltage test systems, series L (s. Data Sheet 3.10), ranging from 100 kV to 1200 kV cumulative charging voltage. They are designed for testing high voltage equipment of power systems with lightning (LI: 1.2/50 µs) and switch ...
et-01 timer wiring instructions
et-01 timer wiring instructions

...   Connect AC or DC voltage to these terminals   (12-24V depending on magnet or strike used.     IMPORTANT: When using AC power source,    use 12VAC for 12VDC magnetic lock - Do not    exceed 12VAC input for 12VDC magnetic lock;    use 16-20VAC for 24VDC magnetic lock - Do not    exceed 20VAC input f ...
Triform 2478-5BD Fluid Cell Sheet Hydroforming Press
Triform 2478-5BD Fluid Cell Sheet Hydroforming Press

... Benefits of this sheet hydroforming press: • Bladder Forming Outperforms Guerin Box or Pad Presses • Low Tooling Costs with Greater Process & PartDesign Flexibility • Compact Design Allows for Flush Floor Operation • Durable, with Low Maintenance Requirements • Programmable Forming Pressure • High S ...
Precision Rectifier
Precision Rectifier

2SD2142K
2SD2142K

... (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endange ...
Mark IIxg Electric Fire Pump Controllers
Mark IIxg Electric Fire Pump Controllers

... power transfer switches for use with an emergency generator set or second power source. ...
unified power flow controller used power system stability
unified power flow controller used power system stability

... of FACTS devices and it serves to control simultaneously all the above three parameters [voltage, impedance and phase angle] at the same time. The Phase [A] design of UPFC [Unified power flow controller] is shown in figure.2.Voltage source converter 1 connected in shunt through shunt transformer. Th ...
Universal Input, +/- 12 V Output 8 Watt PSU
Universal Input, +/- 12 V Output 8 Watt PSU

... converter topology utilizing ON Semiconductor’s NCP1014 monolithic controller with integrated high voltage Mosfet. The flyback converter is operated in discontinuous conduction mode (DCM) for minimal EMI generation and to enhance simplicity and compactness in the flyback transformer design (T1). An ...
Cast Iron Resistors
Cast Iron Resistors

... Housing elements sendzimir-galvanized, optional with RAL 7032 coating or made from stainless steel High reliability because elements are connected with bolts Double insulation by glimmer tubes and ceramic insulators For short-term loads, cast-iron elements with a double storage capacity are availabl ...
Finding the root cause of ESD problems
Finding the root cause of ESD problems

Stereo 416 and PAT-5 Bifet Brochure, Page 2
Stereo 416 and PAT-5 Bifet Brochure, Page 2

BX Miniature Spark Gaps Description and Use Application Note
BX Miniature Spark Gaps Description and Use Application Note

How you should be thinking about electric circuits
How you should be thinking about electric circuits

...  If the voltage is maintained between two points in a ...
attachment=18223
attachment=18223

... When the STATCOM is used for reactive-power generation, the converter itself can keep the capacitor charged to the required voltage level. This task is accomplished by making the output voltages of the converter lag behind the ac-system voltages by a small angle (usually in the 0.18–0.28 range). In ...
SMG5 - Fieldpiece Instruments
SMG5 - Fieldpiece Instruments

... windings of the compressor. With a megger, you can see the degradation over time and may be able to replace the compressor before it catastrophically fails and spews contaminants into the refrigeration system, possibly requiring a much more expensive repair. To insure consistent measurements, the sy ...
#16 McGill University Formula Hybrid Design Review
#16 McGill University Formula Hybrid Design Review

... the generator during a fast power demand ramp up. This proved that this simple setup does reduce the peak power demand form the generator without the need for active generator controls or any other power limiting circuitry. Control Systems The 25HP of electrical power available from the battery and ...
SMPS600RS - Connexelectronic
SMPS600RS - Connexelectronic

Maximum Output Power of Class E Amplifier for a Given Transistor
Maximum Output Power of Class E Amplifier for a Given Transistor

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Voltage optimisation

Voltage optimisation is a term given to the systematic controlled reduction in the voltages received by an energy consumer to reduce energy use, power demand and reactive power demand. While some voltage 'optimisation' devices have a fixed voltage adjustment, others electronically regulate the voltage automatically.Voltage optimisation systems are typically installed in series with the mains electrical supply to a building, allowing all its electrical equipment to benefit from an optimised supply.
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