High-voltage - Factbites

High-voltage - Factbites
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Topic: High-voltage

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	High voltage - Wikipedia, the free encyclopedia
		Voltages below about 500-700 volts cannot produce easily visible sparks or glows in air at atmospheric pressure, so by this rule these voltages are 'low.' However, under conditions of low atmospheric pressure (such as in high-altitude aircraft), or in an environment of noble gas such as argon, neon, etc., sparks appear at much lower voltages.
		In electronics, "high" could be lower than 5 V. The general public generally consider household mains to be high voltage largely because it is dangerous and the highest voltage they normally encounter.
		It has also been noted that accidental contact with high voltage power lines has not always been fatal because sometimes the victim is thrown clear of the power line by the intensity of the arc that is created and has survived, although with extremely severe injuries.
	en.wikipedia.org /wiki/High_voltage_differential (1777 words)

	High Voltage Divider
		High voltage resistances are usually 2 megohms or 4 megohms per KV to minimize heating and voltage coefficients consistent with compact sizes.
		For highest accuracy in high impedance, low input capacitance types, consideration must be given to induced voltage pick-up in leads, contact potential, corona, effective capacitance, and voltage gradient and capacitance shift related to proximity to high voltage sources, ground planes, walls, enclosures, and loads.
		High Voltage resistances of 50 ohms or less and as high as 1000 megohms or more per KV are available.
	www.rossengineeringcorp.com /hv_dividers.htm (1459 words)

	High voltage (disambiguation) - Wikipedia, the free encyclopedia
		High voltage refers to a voltage which is high.
		High Voltage (XM), channel 202 on XM Satellite Radio which features Opie and Anthony, and Ron and Fez
		High Voltage (band), a rock band from Nova Scotia, Canada
	en.wikipedia.org /wiki/High_Voltage_(album) (158 words)

	High Voltage Transformers
		These high frequency, high voltage transformers are designed for many specialized applications such as solid state Tesla coils, plasma displays, Jacob's Ladders, drivers for DC multipliers or general purpose high voltage sources.
		The high voltage output pin is isolated with connection leads on the opposite end.
		These high voltage pulse transformers supply the voltage pulses used for igniters, shockers, stun guns and triggers for laser flash tubes and high power spark switches.
	www.amazing1.com /transformers.htm (805 words)

	Ignition Coil \ Flyback Transformer Based high voltage generators.
		In order to generate as high a voltage as possible at the secondary it is necessary to produce as high a voltage as possible at the primary.
		The objective is to produce as high a voltage as possible, with as high a power throughput as possible.
		There are two specifications that are used to define the high voltage characteristics of this type of transistor: Vce and Vcb.
	www.hills2.u-net.com /electron/ignit.htm (1321 words)

	Basics of High Voltage Probe Design
		I used many different probes on high voltage measurements and found out that their performance is terrible when exposed to even relatively low common mode voltage transients (100 V or more).
		A simple high voltage probe for a DMM or VOM may be constructed from a pair of resistors.
		In addition to basic safety precautions when working around high voltages, some form of equipment protection should be considered in provide an arc-over path to ground should there be arcing over the surface of the resistor as well as if the resistor should somehow decrease in value.
	repairfaq.ece.drexel.edu /sam/hvprobe.htm (4647 words)

	Glossary
		HIGH VOLTAGE ASSEMBLY: The portion of a high voltage power supply which contains the high voltage circuits which are critical to the performance and reliability of a high voltage power supply.
		Where the applied voltage is sinusoidal, the CEV is expressed as 0.707 of the peak voltage.
		Where the applied voltage is sinusoidal, the CIV is expressed as 0.707 of the peak voltage.
	www.bertan.com /glossary.html (9763 words)

	Jochen's High Voltage Page : Flybacks
		The high voltage output is in most cases obvious (the single lead coming from the secondary).
		The output high voltage depends on the type of flyback and the supply voltage, but should be on the order of 10-30kV.
		This causes an increase in frequency,resulting in reduction of the pulse peak voltage.
	www.kronjaeger.com /hv/hv/src/fly (1660 words)

	High-voltage direct current - Wikipedia, the free encyclopedia
		The principal advantage of AC is the use of transformers to change the voltage at which power is used.
		Because the voltages in HVDC systems, up to 800 kV in some cases, exceed the breakdown voltages of the semiconductor devices, HVDC converters are built using large numbers of semiconductors in series.
		The DC voltage is as low as possible, in order to build a small valve hall and to avoid parallel switching of valves.
	www.adelanto.us /project/wikipedia/index.php/HVDC (3540 words)

	High Voltage Probe
		When I first seriously considered building a Tesla Coil, one of the first things I bought was a high voltage probe (Fluke model 80K-40) good to 40,000 volts.
		high voltage resistor connected in series with crimp style butt connectors.
		The probe tip and the three banana jacks (high potential, test ground and earth ground) [10/20/01: the banana jacks were replaced with a BNC bulkhead jack] are mounted in 1/2" thick circles of polycarbonate connected to the barrel with 8-32 flat head slotted nylon screws.
	members.tm.net /lapointe/High_Voltage_Probe.html (439 words)

	High voltage Pulse Power Switching Devices from The Encyclopedia of free energy,energy21.org,energy 21 org Geoff Egel
		In high voltage switching the presence of high voltages, and hence the possibility of large voltage gradients within devices means that the cold cathode system, quite a rarity in most other types of tubes, is the norm rather than the exception.
		High voltages are generally exceptionally dangerous, and none of the above is intended or should be used to provide instruction in the correct procedures for building or constructing high voltage circuitry of any description.
		The krytron may be used directly to fire a high precision exploding wire, or alternatively as part of the triggering circuitry for a triggered spark gap or similar ultra high current triggering device as used in exploding foil slapper type detonators and larger EBW circuits.
	www.icestuff.com /~energy21/pasley1.htm (5046 words)

	PowerLabs High Voltage Research!
		High Voltages can be used for a number of things: X-Ray generation, particle accelerators, LASERs, electromagnetic weapons, special effects, electrostatic cleaners, ozone generation, and so forth.
		There are several different definitions for what defines "High Voltage": Depending on which application is being discussed, High Voltage may be a number anywhere from a few tens of volts all the way to several Kilovolts.
		The PowerLabs 200kV Voltage Multiplier project: High Voltage through a simple circuit incorporating only capacitors and diodes...
	www.powerlabs.org /highvoltage.htm (523 words)

	High Voltage DC Power Supplies
		Our laboratory assembled high voltage DC supplies are available as current sources with a defined short circuit current or as a voltage source with a defined voltage at the rated operating current.
		Small 1 x 4½" efficient battery powered high voltage source of DC power is capable of producing 10-20 KV from a small, standard 9 volt battery.
		The advantage of the voltage source approach is the property of maintaining a constant voltage value within the design limits required as current (load) is being drawn.
	www.amazing1.com /hv-dc-power-supplies.htm (959 words)

	The Voltage Doubler Circuit Used In Microwave Oven High Voltage Systems
		If you wish to measure the high voltage, you should first make sure that all your affairs are in order and that your life insurance policy covers death by electrocution.
		Measured with a common voltmeter, the voltage in the standard household receptacle is 115 VAC (± 10%).
		Second, the resulting output voltage that is applied to the magnetron tube is actually a pulsed DC voltage.
	www.gallawa.com /microtech/doubler.html (889 words)

	GIGAVAC: Today's Expert in High Voltage Relays
		In addition, the most experienced, worldwide high voltage relay sales engineering force, to assist and advise with all of your high voltage switching needs.
		Large selection of vacuum relays, gas filled relays, high voltage reed relays, and latching relays make it easy to select the best relays for your RF applications, hot switching, and those difficult high inrush capacitive make applications.
		GIGAVAC European experts provide the finest high voltage reed relays in the world, with knowledge in reed relay technology for both RF and high voltage applications.
	www.gigavac.com (444 words)

	Solid State Tesla Coil/High Voltage Generator
		The second picture is the high voltage generator with a voltage multiplier installed.
		For a real high voltage output, connect a voltage multiplier (from an old TV or computer monitor) to the output of T2.
		T2 is a high voltage flyback transformer salvaged from an old TV, or ordered from Fair Radio Sales (see Where To Get Parts).
	www.aaroncake.net /circuits/hvgen.htm (458 words)

	Measuring high voltage or the "static electricity" on your body.
		High voltage has all the characteristics of "static electricity." And when gradeschool textbooks are trying to teach you about "static," they are really trying to teach you what high voltage can do.
		But even when no sparks are jumping, there is still a high voltage between your charged body and the ground, and you body is surrounded with an invisible electric field.
		Measuring high voltage or the "static electricity" on your body.
	www.amasci.com /emotor/voltmeas.html (1994 words)

	POWERLABS' High Voltage Solid State Flyback Driver
		The CRT on TVs and monitors is also a high voltage capacitor, and you could use it as such in an experimental HV DC power supply (covering the glass with aluminium foil greatly increases the capacitance), but a flat plate plastic cap is much smaller, lighter, and it won't implode if you drop it...
		This is by far the best project for someone who is already familiar with High Voltage, but wants to take their experiments to the next level: It requires very little previous experience and skills with soldering and identifying components, and there are virtually no adjustments to be made.
		Flybacks are built tough, but they are high voltage parts, and as such they tend to have a limited useful life.
	www.powerlabs.org /flybackdriver.htm (3733 words)

	High Voltage Power Supply - PS300
		After a trip, the unit can be configured to either attempt to turn the high voltage back on, or to leave it off until a manual reset.
		The PS300 High Voltage Power Supply series consists of three efficient, microprocessor-controlled, switching DC power supplies capable of delivering 25 W of output power at voltages up to 5 kV.
		Additionally, the bandwidth of the voltage control input is limited by the overall slew rate specification of the instrument (0 % to 100 % of full scale in less than 0.3 s under full load).
	www.thinksrs.com /products/PS300.htm (668 words)

	Future Horizons inc: High-Voltage
		The High Voltage D.C. generator is capable of generating around 25-30,000 volts D.C. at around 1ma of current output.
		Very high voltages are produced by repeated contact and seperation of dissimilar substances also know as friction.
		Produces high frequency high-voltage output capable of lighting lights in vicinity of device by no apparent means.
	www.futurehorizons.net /high.htm (662 words)

	Le generateur de Marx
		They are used to generate high voltage to simulate lightning, EMP (byproduct of Nuclear explosion) and to drive particle beam accelerators.
		Originally described by E. Marx in 1924, Marx generators are probably the most common way of generating high voltage impulses for testing when the voltage level required is higher than available charging supply voltages.
		The high energy one creates a real bang when it fires.I created a new design which eliminates the resistors (and their losses and consequent slow charging, leakage etc.) The design is based on an idea I once saw in the Amateur Scientist in Sci.
	members.aol.com /lyonelb/marx.html (2736 words)

	Amazon.co.uk: High Voltage [Original recording remastered]: Music
		High Voltage, their debut album, is remarkable in the context of AC/DC's vast, awesomely single-minded discography for containing what remains AC/DC's lone foray into experimentation in nearly three decades: the delightfully incongruous bagpipe solo in the opening track, "It's A Long Way To The Top (If You Wanna Rock and Roll)".
		HIGH VOLTAGE was the first chance America had to glimpse the raw power of Australia's best hard rock outfit.
		There are two brilliant songs – the title track high voltage, and it’s a long way to the top (if you wanna rock n roll).
	www.amazon.co.uk /exec/obidos/ASIN/B00008AJL3 (761 words)

	Steve's High Voltage Page
		This page is dedicated to the activity and building of various high voltage devices including Tesla Coils, Wimshurst machines, and Van De Graaff generators.
		High voltage devices are interesting, fun, and educational too!
		There are many Tesla Coil builders and high voltage enthusiasts around the world.
	home1.gte.net /res07cmo/hv/hv.htm (335 words)

	EMCO's High Voltage Power Supply Product Selection Guide
		High voltage power supplies present a serious risk of personal injury if not used in accordance with design and/or use specifications, if used in applications on products for which they are not intended or designed, or if they are used by untrained or unqualified personnel.
		Our mission is to deliver excellence and remain at the forefront of high voltage technology.
		Ask about our high volume commercial high voltage power supplies.
	www.emcohighvoltage.com /ourprods.htm (319 words)

	Open Directory - Science: Technology: Electronics: High Voltage
		High Voltage Link List - A list of links for electrostatic machines, history of physics and electricity, high voltage devices, and electronics.
		High Voltage by Jochen Kronjager - Tips and construction details for HV projects.
		Repro's of Classic HV texts - Quite a few reproductions of classic High Voltage texts from the "Golden Age" of High Voltage research.
	dmoz.org /Science/Technology/Electronics/High_Voltage (311 words)

	Voltage Multipliers, Inc. - Maker of High Voltage Diodes and Diode Assemblies. ISO9001 Registered.
		The OC100HG is a high gain 10KV opto-coupler useful in high voltage switching applications.
		Voltage Multipliers, Inc. - Maker of High Voltage Diodes and Diode Assemblies.
		The SM series of high voltage diodes provides 5KV to 10KV in the smallest size available.
	www.voltagemultipliers.com (137 words)

	ScienceDaily: A Shocking Surprise: High Voltage + Rats = Ozone, Reopens Power-line Debate
		Goheen and colleagues report that the ozone was produced when rats were present during a "corona discharge," an uncommon phenomenon in which electrons escape from a sharp surface of an electrical conductor at high voltage.
		The electric field used in the rat experiments is greater than that of a casual passer-by near any high voltage power line, Goheen said, the distance being the key consideration.
		This effect should be of concern only to those working much closer to power lines such as linemen or anyone else who spends many hours a day close to high voltage devices.
	www.sciencedaily.com /releases/2004/02/040209074236.htm (1116 words)

	Ross Engineering Corporation - High Voltage Devices
		Typical applications are in HV power supplies, cyclotrons, lasers, radar, TV and high power communication transmitters; almost any equipment, industrial plant or utility where high voltage or high current is utilized.
		ft. HV design and manufacturing facility and high voltage calibration / test lab are capable of designing and testing high voltage relays, switches, contactors and calibrating HV measurement devices up to 450KV PK, DC, AC, or impulse 1.2x50 µsec wave.
		Since its founding in 1964, Ross products have grown from two lines to over 25 lines of high precision, quality engineered low and high voltage devices.
	www.rossengineeringcorp.com (169 words)

	High Voltage Generating Circuits!
		Please beware that these high voltage circuits may be capable of causing dangerous and possibly fatal electric shocks.
		These are various circuits to generate voltages in the thousands of volts from low voltage DC.
		This circuit typically uses voltages near 12 volts to maybe 24 volts.
	members.misty.com /don/hv.html (339 words)

	EMCO, High Voltage Power Supply Manufacturer
		The output voltage is controllable from 0 to 100% and a center tap option is offered which provides positive and negative outputs from one single, compact, low cost, high voltage module.
		The H Series is a line of compact, regulated high voltage power supplies featuring 15 watts of output power.
		The easy to use system provides eight independently regulated and programmable high voltage outputs of 0 to 200 Volts through 0 to 8000 Volts available in any combination of voltage and polarity.
	www.emcohighvoltage.com (773 words)

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