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Highvoltage Stock Photos and Images

Wind generators turbines electricity at Cape Bridgewater, Australia Stock Photo

RF2KBNRHD–Wind generators turbines electricity at Cape Bridgewater, Australia

Old toolbox filled with vintage tools Stock Photo

RM2G3NB8P–Old toolbox filled with vintage tools

April 24, 2015 - Transformer power substation on a background of an apartment building under construction (Credit Image: © Igor Golovniov/ZUMA Wire) Stock Photo

RMEN21CA–April 24, 2015 - Transformer power substation on a background of an apartment building under construction (Credit Image: © Igor Golovniov/ZUMA Wire)

Power Line With Many High Voltage Pylons. Electricity Highway, Electricity Transport Stock Photo

RM2F7PAYG–Power Line With Many High Voltage Pylons. Electricity Highway, Electricity Transport

outside yellow danger of death warning sign wall; essex; england; uk Stock Photo

RFKHBTTF–outside yellow danger of death warning sign wall; essex; england; uk

Old toolbox filled with vintage tools, isolated Stock Photo

RFRM96W2–Old toolbox filled with vintage tools, isolated

The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . hur-ous acid if not in good condition, and should notbe used in the same room with fine tools ormetal work that is liable to injury. It soon runsdown, requiring recharging every day when inconstant use, but is simple to handle when understood and is generallyfurnished in small outfits for nickel plating, etc., on account of its highvoltage and the quantity of current given off when in good order. Thezincs must be kept well amalgamated or they will polarize very rapidlyand destroy the cur Stock Photo

RM2AKBP3C–The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . hur-ous acid if not in good condition, and should notbe used in the same room with fine tools ormetal work that is liable to injury. It soon runsdown, requiring recharging every day when inconstant use, but is simple to handle when understood and is generallyfurnished in small outfits for nickel plating, etc., on account of its highvoltage and the quantity of current given off when in good order. Thezincs must be kept well amalgamated or they will polarize very rapidlyand destroy the cur

Switchgears and switches in a power plant with steel structure. Power plant detail, high voltage isolation. Voltage transformers at the power plant. Stock Photo

RF2HB0RYX–Switchgears and switches in a power plant with steel structure. Power plant detail, high voltage isolation. Voltage transformers at the power plant.

RF2CB6F0J–Power plant icon, isometric style

Construction of a transformer substation near the railway. Stock Photo

RFP5509C–Construction of a transformer substation near the railway.

RF2EAKTRE–Construction of a transformer substation near the railway.

RF2KBNRDT–Wind generators turbines electricity at Cape Bridgewater, Australia

RM2G3NB9J–Old toolbox filled with vintage tools

RM2G3NC9F–Old toolbox filled with vintage tools

Large Power Line With High-voltage Pylons, Power Lines And A Wind Power Plant. Wind Energy, Power Line Stock Photo

RM2H0YWN2–Large Power Line With High-voltage Pylons, Power Lines And A Wind Power Plant. Wind Energy, Power Line

bunch of safety signs water green box yellow triangle; essex; england; uk Stock Photo

RFKHBTJM–bunch of safety signs water green box yellow triangle; essex; england; uk

RWE Weisweiler Lignite-fired Power Plant In NRW. Steaming Cooling Tower With A High Voltage Pylon Next To It Stock Photo

RM2JAFKC5–RWE Weisweiler Lignite-fired Power Plant In NRW. Steaming Cooling Tower With A High Voltage Pylon Next To It

RFRM96W5–Old toolbox filled with vintage tools, isolated

RF2E0RYP1–Electricity Transport

. Motion picture electricity. , requiring a greateror less number of lamps, and the electric lighting com-pany has located its poles and wires on one side of thestreet. The section is intended to illustrate one or twobusiness blocks where considerable electric current wouldbe required. For the sake of simplicity I omit showing the highvoltage wires, illustrating only the secondary wires fromthe transformer or the low tension wires of a regular2-wire and 3-wire direct-current system. In the illustra-tion the transformer mounted on top of one of the polesreceives current from the high voltage sy Stock Photo

RM2AGC1J8–. Motion picture electricity. , requiring a greateror less number of lamps, and the electric lighting com-pany has located its poles and wires on one side of thestreet. The section is intended to illustrate one or twobusiness blocks where considerable electric current wouldbe required. For the sake of simplicity I omit showing the highvoltage wires, illustrating only the secondary wires fromthe transformer or the low tension wires of a regular2-wire and 3-wire direct-current system. In the illustra-tion the transformer mounted on top of one of the polesreceives current from the high voltage sy

RFEC4J4M–alternative energy

RFP54TX7–Construction of a transformer substation near the railway.

RFK4CX2D–High Voltage

RF2HB0T04–Switchgears and switches in a power plant with steel structure. Power plant detail, high voltage isolation. Voltage transformers at the power plant.

RFR6A272–Power Poles In The Sunset

RF2D1W3F4–Recycling concept icon, isometric style

RF2EAKTTT–Construction of a transformer substation near the railway.

RF2KBNT58–Wind generators turbines electricity at Cape Bridgewater, Australia

High-voltage supplay transformer Stock Photo

RF2PRJAR8–High-voltage supplay transformer

Wind power plants and overhead power lines seen in Germany Stock Photo

RF2C3A4N5–Wind power plants and overhead power lines seen in Germany

RM2G3NC8T–Old toolbox filled with vintage tools

RM2G3NBMK–Old toolbox filled with vintage tools

bunch of safety signs water green box yellow triangle; essex; england; uk; danger 415 volts Stock Photo

RFKHBWK6–bunch of safety signs water green box yellow triangle; essex; england; uk; danger 415 volts

RFRNBEGX–Old toolbox filled with vintage tools, isolated

[Electric engineering.] . arc-light circuits, where a highvoltage may be required for operating a large number oflamps in series. ALTERNATORS. 76. Alternators cannot be run in series unless theirarmatures are rigidly connected by being mounted on thesame shaft, so that the E. M. F.s generated by the twomachines will always preserve exactly the same relationwith regard to each other. If the machines are drivenseparately, the E. M. F.s may aid each other at one instantand oppose each other the next, thus making their opera-tion unstable. For this reason alternators are very seldomoperated in ser Stock Photo

RM2AX7C1Y–[Electric engineering.] . arc-light circuits, where a highvoltage may be required for operating a large number oflamps in series. ALTERNATORS. 76. Alternators cannot be run in series unless theirarmatures are rigidly connected by being mounted on thesame shaft, so that the E. M. F.s generated by the twomachines will always preserve exactly the same relationwith regard to each other. If the machines are drivenseparately, the E. M. F.s may aid each other at one instantand oppose each other the next, thus making their opera-tion unstable. For this reason alternators are very seldomoperated in ser

RFT3JCHX–Construction of a transformer substation near the railway

RF2C3A4N6–Wind power plants and overhead power lines seen in Germany

RF2C29YPE–Wind power plants and overhead power lines seen in Germany

RM2G3NBMM–Old toolbox filled with vintage tools

Wind wheels and overhead power lines seen in Germany Stock Photo

RF2C26KH0–Wind wheels and overhead power lines seen in Germany

Small electrical tower in Vietnam Stock Photo

RM2BYC4PC–Small electrical tower in Vietnam

yellow danger of death safety sign outside pole electricity shock; essex; england; uk Stock Photo

RFKHBW8C–yellow danger of death safety sign outside pole electricity shock; essex; england; uk

Electrical news and engineering . recently perfected,through the efforts of Dr. C. P. Steinmetz, an equipmentfor producing actual lightning in the laboratory. The prac-tical value of this will be seen, in the means that will thusbe provided for testing lightning arresters, under what willamount to actual storm conditions. The voltagesused donot constitute a record in any way—120,000 volts—, thenecessary energy being produced by storing up capacity ina condenser consisting of 200 large glass plates. Dr.Steinmetz points out the essential difference between highvoltage and lightning. Lightning is Stock Photo

RM2AN4ME1–Electrical news and engineering . recently perfected,through the efforts of Dr. C. P. Steinmetz, an equipmentfor producing actual lightning in the laboratory. The prac-tical value of this will be seen, in the means that will thusbe provided for testing lightning arresters, under what willamount to actual storm conditions. The voltagesused donot constitute a record in any way—120,000 volts—, thenecessary energy being produced by storing up capacity ina condenser consisting of 200 large glass plates. Dr.Steinmetz points out the essential difference between highvoltage and lightning. Lightning is

metal pylon electrical tower sign detail danger hazard yellow death; essex; england; uk Stock Photo

RFKD53TA–metal pylon electrical tower sign detail danger hazard yellow death; essex; england; uk

RFP550EA–Construction of a transformer substation near the railway.

High-voltage power lines on a sunny day seen in Germany Stock Photo

RF2C26KN6–High-voltage power lines on a sunny day seen in Germany

Wind turbines and power lines behind an acre seen in Germany Stock Photo

RF2C26ED9–Wind turbines and power lines behind an acre seen in Germany

. An elementary book on electricity and magnetism and their applications. s less voltage as a rule to cause a spark to jump betweentwo sharp points than between two round balls. For example,the sparking voltage for two sharp points 1 centimeter apartis about 7500 volts, and for two round balls 1 centimeter indiameter and 1 centimeter apart is about 27,000 volts. Thesparking voltage between two sharp points varies so nearlyas the distance that this is a method used to measure very highvoltage. To show the effect of atmospheric pressure we may connect aglass tube 2 or 3 feet long with an inducti Stock Photo

RM2AGE173–. An elementary book on electricity and magnetism and their applications. s less voltage as a rule to cause a spark to jump betweentwo sharp points than between two round balls. For example,the sparking voltage for two sharp points 1 centimeter apartis about 7500 volts, and for two round balls 1 centimeter indiameter and 1 centimeter apart is about 27,000 volts. Thesparking voltage between two sharp points varies so nearlyas the distance that this is a method used to measure very highvoltage. To show the effect of atmospheric pressure we may connect aglass tube 2 or 3 feet long with an inducti

Power lines and wind engines on a sunny day seen in Germany Stock Photo

RF2C1TWPW–Power lines and wind engines on a sunny day seen in Germany

RFP54XRF–Construction of a transformer substation near the railway.

Electricity pylon with overhead lines and wind turbines seen in Germany Stock Photo

RF2C1RCD2–Electricity pylon with overhead lines and wind turbines seen in Germany

Overhead power lines and wind engines on a sunny day seen in Germany Stock Photo

RF2C1R9G6–Overhead power lines and wind engines on a sunny day seen in Germany

RF2C2K791–Power lines and wind engines on a sunny day seen in Germany

RF2C2E6HM–Overhead power lines and wind engines on a sunny day seen in Germany

Overhead power lines and wind engines seen in Germany Stock Photo

RF2C2E0BM–Overhead power lines and wind engines seen in Germany

Power lines and wind engines seen in Germany Stock Photo

RF2C24NE7–Power lines and wind engines seen in Germany

. Electric railway journal . 286 July 7, 1917] ELECTRIC RAILWAY JOURNAL 59 Your commutatorsreflect the performanceof your brushes. If you use DIXONS Graphite Brushes their perfect service will bereflected in the polishedsmooth surface they willproduce on the commu-tators of your generatorsand rotaries. Dixon brushes are non-scratching—-theyre self-lubricating; its impossiblefor them to score commu-tators. And theyre eminentlysuitable for railway stationservice because graphitebrushes adapt themselvespeculiarly well to highvoltage work. Let us send you priceson your particular type. Address Dep Stock Photo

RM2CGRJH0–. Electric railway journal . 286 July 7, 1917] ELECTRIC RAILWAY JOURNAL 59 Your commutatorsreflect the performanceof your brushes. If you use DIXONS Graphite Brushes their perfect service will bereflected in the polishedsmooth surface they willproduce on the commu-tators of your generatorsand rotaries. Dixon brushes are non-scratching—-theyre self-lubricating; its impossiblefor them to score commu-tators. And theyre eminentlysuitable for railway stationservice because graphitebrushes adapt themselvespeculiarly well to highvoltage work. Let us send you priceson your particular type. Address Dep

RFT3JCGW–Construction of a transformer substation near the railway

Wind turbines and power lines seen in Germany Stock Photo

RF2C24NEJ–Wind turbines and power lines seen in Germany

. Electric railway journal . If you use DIXONS Graphite Brushes their perfect service will bereflected in the polishedsmooth surface they willproduce on the commu-tators of your generatorsand rotaries. Dixon brushes are non-scratching—-theyre self-lubricating; its impossiblefor them to score commu-tators. And theyre eminentlysuitable for railway stationservice because graphitebrushes adapt themselvespeculiarly well to highvoltage work. Let us send you priceson your particular type. Address Department 108-M.Made in JERSEY CITY, N. J., by the Joseph Dixon Crucible Company Established 1827. EVIDE Stock Photo

RM2CGRJB3–. Electric railway journal . If you use DIXONS Graphite Brushes their perfect service will bereflected in the polishedsmooth surface they willproduce on the commu-tators of your generatorsand rotaries. Dixon brushes are non-scratching—-theyre self-lubricating; its impossiblefor them to score commu-tators. And theyre eminentlysuitable for railway stationservice because graphitebrushes adapt themselvespeculiarly well to highvoltage work. Let us send you priceson your particular type. Address Department 108-M.Made in JERSEY CITY, N. J., by the Joseph Dixon Crucible Company Established 1827. EVIDE

RFP54W37–Construction of a transformer substation near the railway.

Wind energy plants and an overhead power line seen in Germany Stock Photo

RF2C24YGR–Wind energy plants and an overhead power line seen in Germany

Overhead power line and wind turbines seen in rural Germany Stock Photo

RF2C1YFGX–Overhead power line and wind turbines seen in rural Germany

Power lines and a wind turbine seen in rural Germany Stock Photo

RF2C1H4AT–Power lines and a wind turbine seen in rural Germany

High-voltage lines on a sunny day seen in Germany Stock Photo

RF2C1GAEE–High-voltage lines on a sunny day seen in Germany

. The American journal of roentgenology, radium therapy and nuclear medicine . an argument in favor of high voltage. On theother hand, contrast, in both radiography andfluoroscopy, decreases ath increasing voltage.This is an argument against the use of too highvoltage. The voltage corresponding to a 5-in.spark between points appeared to be a goodcompromise. The authors have adopted the following gen-eral method of using the outfit. After starting the engine, the resistance (b)is all cut out. This causes the engine to idle atits lowest speed. For radiographic work, the resistance of (b)is rai Stock Photo

RM2CRK61Y–. The American journal of roentgenology, radium therapy and nuclear medicine . an argument in favor of high voltage. On theother hand, contrast, in both radiography andfluoroscopy, decreases ath increasing voltage.This is an argument against the use of too highvoltage. The voltage corresponding to a 5-in.spark between points appeared to be a goodcompromise. The authors have adopted the following gen-eral method of using the outfit. After starting the engine, the resistance (b)is all cut out. This causes the engine to idle atits lowest speed. For radiographic work, the resistance of (b)is rai

Overhead power lines and modern wind turbines in the fields in Germany Stock Photo

RF2C1F4A0–Overhead power lines and modern wind turbines in the fields in Germany

RFP54YYY–Construction of a transformer substation near the railway.

An electricity pylon and wind energy generators seen in Germany Stock Photo

RF2C29YN5–An electricity pylon and wind energy generators seen in Germany

An electricity pylon with medium voltage power lines seen in Germany Stock Photo

RF2C29KDW–An electricity pylon with medium voltage power lines seen in Germany

Wind wheels and power lines in a corn field in rural Germany Stock Photo

RF2C1YXGC–Wind wheels and power lines in a corn field in rural Germany

. The Street railway journal . Capacity for cool running incontinuous service renders it par-ticularly suitable for high-speedinterurban work. The ventilated armature wind-ing gives great overload capacity,also reduces the cost of repairs. The large number of commutatorbars (117) permits the use of highvoltage. The easy accessibility of allparts for inspection or repair is acharacteristic common to all West-inghouse motors. Write nearest office for Circular1032, giving details of other desir-able features. No. 56 Railway Motor, Open, with Armature in Lower Fiei<d Westinghouse Electric & Mfg Stock Photo

RM2CGPJ01–. The Street railway journal . Capacity for cool running incontinuous service renders it par-ticularly suitable for high-speedinterurban work. The ventilated armature wind-ing gives great overload capacity,also reduces the cost of repairs. The large number of commutatorbars (117) permits the use of highvoltage. The easy accessibility of allparts for inspection or repair is acharacteristic common to all West-inghouse motors. Write nearest office for Circular1032, giving details of other desir-able features. No. 56 Railway Motor, Open, with Armature in Lower Fiei<d Westinghouse Electric & Mfg

RFP54X1M–Construction of a transformer substation near the railway.

Overhead power lines and wind energy generators seen in Germany Stock Photo

RF2C1YXG5–Overhead power lines and wind energy generators seen in Germany

Wind turbines and power lines in a corn field in rural Germany Stock Photo

RF2C1WM34–Wind turbines and power lines in a corn field in rural Germany

Wind turbines and power lines in a corn field seen in Germany Stock Photo

RF2C1WK4M–Wind turbines and power lines in a corn field seen in Germany

blue power station energy power electricity electric power save high tension power line tower high-tension line transmit Stock Photo

RFH6THFB–blue power station energy power electricity electric power save high tension power line tower high-tension line transmit

electrical tower and wind generator (renewable energy) Stock Photo

RFR4D495–electrical tower and wind generator (renewable energy)

RF2BR0B0N–Construction of a transformer substation near the railway

. The Street railway journal . FIG. 4.—SIGNAL PEDESTAL CONTAINING POLARIZEDRELAY, RESISTANCE COILS, ETC. age from rail to rail, which would be so large with the highvoltage used as to give false indications by opening thetrack relays. On the other hand, if the track voltage bemade low, as in steam road practice, the interference of the500-volt current would be prohibitive. On an elevatedand underground road of this kind, however, where trackleakage can be kept down there is nothing against its use save the loss of conductivity in the return circuit due togiving up one rail to block signaling p Stock Photo

RM2CGTYDH–. The Street railway journal . FIG. 4.—SIGNAL PEDESTAL CONTAINING POLARIZEDRELAY, RESISTANCE COILS, ETC. age from rail to rail, which would be so large with the highvoltage used as to give false indications by opening thetrack relays. On the other hand, if the track voltage bemade low, as in steam road practice, the interference of the500-volt current would be prohibitive. On an elevatedand underground road of this kind, however, where trackleakage can be kept down there is nothing against its use save the loss of conductivity in the return circuit due togiving up one rail to block signaling p

RFP54XG3–Construction of a transformer substation near the railway.

RF2BR0B0R–Construction of a transformer substation near the railway

RFR3NHTN–

. Electric railway journal . ped the disturbances. When the trouble first appeared it was thought that the highvoltage might be due to surges on the a.c. cable lines whichfeed the substations. Attention was given first to the condi-tions at the Sixty-third Street and Wentworth Avenue sub-station where there are three 2000-kw and three 1000-kw Gen-eral Electric rotary converters. Current is received throughfive three-conductor, lead-covered underground cables havingan average length of about 7 miles. Tests were made withspark gaps and with voltmeters to see whether or not the flash-ing might be Stock Photo

RM2CH4M27–. Electric railway journal . ped the disturbances. When the trouble first appeared it was thought that the highvoltage might be due to surges on the a.c. cable lines whichfeed the substations. Attention was given first to the condi-tions at the Sixty-third Street and Wentworth Avenue sub-station where there are three 2000-kw and three 1000-kw Gen-eral Electric rotary converters. Current is received throughfive three-conductor, lead-covered underground cables havingan average length of about 7 miles. Tests were made withspark gaps and with voltmeters to see whether or not the flash-ing might be

RFP54THN–Construction of a transformer substation near the railway.

RFR3NHYD–

. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . k Central Railroad 170-Ton Freight Locomotives A master controller is provided at the engineers positionon each side of the cab, and the control and auxiliaryapparatus is installed in the sloping end cabs. The control is Type PCL, of)erating from a 32-voltstorage battery. The 32-volt supply, in addition tooperating all control circuits, is also used for cab lightingand for headlights. The type of control eliminates highvoltage from the master controller and employs electro-pneumatic contactor Stock Photo

RM2CRG40W–. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . k Central Railroad 170-Ton Freight Locomotives A master controller is provided at the engineers positionon each side of the cab, and the control and auxiliaryapparatus is installed in the sloping end cabs. The control is Type PCL, of)erating from a 32-voltstorage battery. The 32-volt supply, in addition tooperating all control circuits, is also used for cab lightingand for headlights. The type of control eliminates highvoltage from the master controller and employs electro-pneumatic contactor

RFT3JCH5–Construction of a transformer substation near the railway

Electricity - Insulators for high-voltage Stock Photo

RFR48672–Electricity - Insulators for high-voltage

. American engineer . discharge is, however, so small andthe change from one to the other so gradual that no lampregulator is required. Should it ever be found necessary to give the battery a highvoltage charge, this may be done during a daylight run by mearisof the fixed resistance R, normally short circuited by the switchH and also by the clip M on the main lamp switch. When bothof these switches are open, the voltage of the dynamo is raisedby an amount determined by the value of the resistance R.Whenever lights are required, the closing of the lamp switchN shqrt circuits the resistance R, r Stock Photo

RM2CH5TK2–. American engineer . discharge is, however, so small andthe change from one to the other so gradual that no lampregulator is required. Should it ever be found necessary to give the battery a highvoltage charge, this may be done during a daylight run by mearisof the fixed resistance R, normally short circuited by the switchH and also by the clip M on the main lamp switch. When bothof these switches are open, the voltage of the dynamo is raisedby an amount determined by the value of the resistance R.Whenever lights are required, the closing of the lamp switchN shqrt circuits the resistance R, r

RFP54TA6–Construction of a transformer substation near the railway.

RFR48671–Electricity - Insulators for high-voltage

. The Bell System technical journal . The plate to screen-grid spacing was-increased over thatnormally used in the 350A in order to allow somewhat better cooling of thegrids and to allow greater clearance for high voltage reasons. This made thecharacteristics depart from good beam tube performance but at the highvoltage condition of operation this was of little consequence. Character-istic curves of the 701A indicating performance under both high voltageand low voltage conditions are shown in Fig. 4. Since no experience wasavailable at the time of this development to indicate what currents cou Stock Photo

RM2CRWCJ3–. The Bell System technical journal . The plate to screen-grid spacing was-increased over thatnormally used in the 350A in order to allow somewhat better cooling of thegrids and to allow greater clearance for high voltage reasons. This made thecharacteristics depart from good beam tube performance but at the highvoltage condition of operation this was of little consequence. Character-istic curves of the 701A indicating performance under both high voltageand low voltage conditions are shown in Fig. 4. Since no experience wasavailable at the time of this development to indicate what currents cou