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engineering note - Hitachi America, Ltd.
engineering note - Hitachi America, Ltd.

High Frequency Power Supply for Electrostatic Precipitators in
High Frequency Power Supply for Electrostatic Precipitators in

... collection plates and a large weight of steel construction in order to achieve the prescribed emission limits. Collection efficiency and energy efficiency of the electrostatic precipitator can be increased by applying high frequency high voltage power supply (HF HV). Electrical engineering faculty o ...
Monitoring technique
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... X1-L1 Automatic restart (Alarm auto reset) Manual restart (Latched Alarm), reset with built in push button, external push button on X1-L1 or by disconnecting the supply ...
Tektronix PG 502 Pulse Generator
Tektronix PG 502 Pulse Generator

- Lancaster EPrints
- Lancaster EPrints

P85445D
P85445D

... stress on the product. This is especially important for stiff, heavy gauge wires and wires with thick insulation or sheathing. 9. Use care to prevent speaker cone damage when driving screws for speaker product mounting. 10. Spacing between mounting hole screws is 5 1/8”. WARNING: When installing st ...
Specification Status: Released  PolyZen GENERAL DESCRIPTION
Specification Status: Released PolyZen GENERAL DESCRIPTION

... layer is fully integrated into the device, and is electrically in series between VIN and the diode clamped VOUT. This advanced PTC layer responds to either extended diode heating or overcurrent events by transitioning from a low to high resistance state, also known as ”tripping”. A tripped PTC will ...
The Active Front End allows sinusoidal mains current
The Active Front End allows sinusoidal mains current

... Converter and the Altivar inverter Energy-saving operation  Improved efficiency due to innovative control system  No damping resistors with heavy losses required and thus it is especially robust in respect of heavily distorted mains voltages  Reduction of transformer losses, wiring and switching ...
Safe Testing and Measuring According to IEC/EN - Multi
Safe Testing and Measuring According to IEC/EN - Multi

... results that may even have an explosive like character with very serious consequences for the user. In standard EN 61010-031 there are four different test categories, abbreviated “CAT”. The category CAT followed by a number from I to IV is stated in our catalogues with the rated voltage, and also ma ...
H e e e e r e ` s . . . Testy!
H e e e e r e ` s . . . Testy!

... techniques do you suggest using for glitch capture? Vetronix: Because the vehicle’s on-board computer’s input circuits vary between sensor inputs the definition of a ‘high frequency abnormal signal’ may also vary between sensors. With vehicle controller(s) sampling components at different rates, it ...
Stereo Phono/Line Preamplifier Ultra 4B SE Special Edition User’s Manual
Stereo Phono/Line Preamplifier Ultra 4B SE Special Edition User’s Manual

... Vacuum tube socket locations are shown in the diagram on p. 6. The 12SC7s are toward the rear of the chassis. The tubes supplied are new-old stock (NOS) and have been pretested. A burn-in period of several hours may be needed to achieve the best sonic performance. Tube life should be thousands of h ...
D N IAGNOSTIC EWS
D N IAGNOSTIC EWS

... The current ratio of the CT is related to its turns ratio. For example if the secondary winding has 600 turns and the primary has one turn (the conductor passing through the center of the core is effectively one turn) then the CT has a ratio of 600:1. If the center conductor is carrying 600 amps, th ...
IGC28T65QE High Speed IGBT3 Chip
IGC28T65QE High Speed IGBT3 Chip

... systems and/or automotive, aviation and aerospace applications or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support, automotive, aviation and aerospace device or system or to a ...
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... • Loads are time-varying in nature, and have temporal and spatial (geographical) diversity. • Load composition (HVAC, lighting, digital, etc.) is also diverse. Induction motors constitute a very large portion of the total load. • Most of the load is not controllable, except by load shedding. However ...
INA116 - Texas Instruments
INA116 - Texas Instruments

... required to achieve the exceptionally low input bias current performance of the INA116. Guard terminals adjacent to both inputs make it easy to properly guard the critical input terminal layout. Since traces are not required to run between device pins, this layout is easily accomplished, even with t ...
playground solution - Shreelight Power Pvt. Ltd.
playground solution - Shreelight Power Pvt. Ltd.

AD628 High Common-Mode Voltage, Programmable Gain
AD628 High Common-Mode Voltage, Programmable Gain

... provided for either a low-pass filter or to attenuate large differential input signals. A single capacitor implements a lowpass filter. The AD628 operates from single and dual supplies and is available in an 8-lead SOIC_N or an 8-lead MSOP. It operates over the standard industrial temperature range ...
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IGC39T65QE High Speed IGBT3 Chip
IGC39T65QE High Speed IGBT3 Chip

... systems and/or automotive, aviation and aerospace applications or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support, automotive, aviation and aerospace device or system or to a ...
Aatmesh_alicia_finalProject
Aatmesh_alicia_finalProject

... • As voltage at A changes, frequency of VCO changes and because frequency changes voltage at OUT will changes. In other words voltage at A changes voltage at OUT. • This means there is a phase difference b/w A and OUT or there is a pole b/w A and OUT. • OUT being feedback net so this pole impacts th ...
STEVAL-ISA076V2
STEVAL-ISA076V2

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notic ...


... operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ...
Induced Polarisation (IP)
Induced Polarisation (IP)

... Fig. (A) Application of a pulsed current with alternate polarity, and the consequent measured voltage showing the effect of the overvoltage (Vp) and the rise-time on the leading edge of the voltage pulse. (B) To forms of measurement of the overvoltage at discrete time intervals V(t1), etc., and by t ...
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Stray voltage



Stray voltage is the occurrence of electrical potential between two objects that ideally should not have any voltage difference between them. Small voltages often exist between two grounded objects in separate locations, due to normal current flow in the power system. Large voltages can appear on the enclosures of electrical equipment due to a fault in the electrical power system, such as a failure of insulation.
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