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Temporary Electric Fencing Tips
Temporary Electric Fencing Tips

... Recommended Equipment Energiser A 2.5 to 3 Joule solar energiser is the minimum required for sheep and most strip grazing situations. This sized unit may seem excessive, but provides plenty of power to shock sheep, allows for any faults in the system such as green grass touching wires, and provides ...
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TORKEL 840/860 Battery Load Units
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LM134 LM234
LM134 LM234

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200 GTL DX - QTH.COM Ham Radio Classified Ads
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PC360.2 / PC650.2 PC400.4 / PC640.4 / PC1000.1 / PC740.5
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... channels 1&2 to be identical to 3&4 or if you need low pass or band pass signal. Understand that this bypasses EVERYTHING so that the front channels are identical to the rear channels. Phase Switch – This switch changes the phase of the woofer from 0 to 180 degrees. Subsonic – The Subsonic Filter pr ...
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... 625MHz bandwidth and 400V/µs slew rate. The MAX4304, compensated for gains of +2V/V or greater, delivers a 730MHz bandwidth and a 1000V/µs slew rate. The MAX4105 is compensated for a minimum gain of +5V/V and delivers a 410MHz bandwidth and a 1400V/sec slew rate. The MAX4305 has +10V/V minimum gain ...
Analysis of the Synchronous Machine in its Operational Modes
Analysis of the Synchronous Machine in its Operational Modes

... mode [1]. Under heavy loading condition, the current increases dramatically and the voltage drops [18]]. The machine must run with over-excitation in order to maintain the voltage by adding the reactive power to the grid as depicted in Figure 3. Contrary to this situation, under light load or no loa ...
< 1 ... 821 822 823 824 825 826 827 828 829 ... 1974 >

Mains electricity



Mains electricity is the general-purpose alternating-current (AC) electric power supply. In the US, electric power is referred to by several names including household power, household electricity, house current, powerline, domestic power, wall power, line power, AC power, city power, street power, and grid power.The two principal properties of the electric power supply, voltage and frequency, differ between regions. A voltage of (nominally) 230 V and a frequency of 50 Hz is used in Europe, most of Asia, most of South America and Australia. In North America, the most common combination is 120 V and a frequency of 60 Hz. Other voltages exist, and some countries may have, for example, 230 V but 60 Hz. This is a concern to travelers, since portable appliances designed for one voltage and frequency combination may not operate or may be destroyed by another.The use of different plugs and sockets in different regions provides some protection from accidental use of appliances with incompatible voltage and frequency requirements.
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