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Schneider Electric CSI Specification Template
L–L 3-Phase Avg. L–N Per-Phase. 3-Phase Avg. Voltage % Unbalanced. The PMS Instrument shall provide at minimum the following current values: Current Per-Phase. Current, Neutral (measured). Current 3-Phase Avg. Current % Unbalanced. The PMS Instrument shall provide at minimum the following power and energy values: Real Power (Per-Phase, 3 ...
industrial voltages in usa

[DOC File]Split-phase electric power - Astronomy
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In this case, the transformer voltage is 120 V on either side of the center tap, giving 240 V between the two live conductors. In Europe, 230/460 V, 3-wire, single-phase systems are used to run farms and small groups of houses when only two of the three-phase high voltage conductors are available (it is cheaper to run two wires than three).
common three phase voltages

SECTION 261300 - MEDIUM VOLTAGE OUTDOOR METAL …
Phase voltage relay supervision of three phases of the normal source. Relay shall dropout at 65 to 70 percent and pickup at 92 to 95 percent of nominal voltage to detect "brown out" conditions. Voltage/frequency lockout relay with 90 percent pick-up nominal, to prevent premature transfer. System test switch, momentary type.
3 phase power in usa

[DOC File]Pumps - Grundfos USA
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The output signal shall be 4-20 mA with a supply voltage range of 9-32 VDC. An optional factory pressure switch shall be available (at an additional charge) for mounting on the suction piping for water shortage protection (Suction piping by others). The pump shut-down pressure shall be 3 psig with a reset pressure of 5 psig.
3 phase electricity

[DOCX File]www.socomec.us
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Power factor (per phase, 3 phase total), Accumulated active energy, accumulated reactive energy, accumulated apparent energy (EA+,EA-,ER+,ER-,ES), Total harmonic distortion (THD) of each current and voltage, Harmonics spectrum analysis up to row 63rd of each current and voltage,
3 phase power calculator

[DOCX File]Socomec
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Voltage inputs: The PMD shall be applied in any single-phase, two-phase or balanced/unbalanced three-phase systems. In four-wire connection, the PMD shall utilize the circuit neutral common reference and not earth ground to provide metering accuracy.
single phase vs 3 phase

[DOCX File]Wattmeter models
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If you have a 3-phase power supply you need 3 CT clamps and possibly larger size clamps depending on the size of your cables. a) Installing SEM3000 in USA & JAPAN for single phase: We supply 2 clamps for 110V measurement.b) Installing SEM3000 in USA & JAPAN for 3 phase: We supply 3 clamps for 3 phase application.(This case, the voltage setting ...
3 phase voltages by country

[DOCX File]Section 08731 - Automatic Door Operators - Commercial
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For single-phase applications, incoming voltage field-selectable between 115V and 230V, 60 Hz by properly positioning connector. For 3-phase applications, incoming voltage field-selectable between 208V, 230V and 460V, 60 Hz by properly positioning connector.
3 phase power voltages

[DOC File]CC Commercal Element 3 Queston Pool
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D. The DC voltage causing the same heating in a given resistor as the RMS AC voltage of the same value. 3-12B5 What is the RMS value of a 340-volt peak-to-peak pure sine wave? A. 170 volts AC. C. 120 volts AC. B. 240 volts AC. D. 350 volts AC. 3-12B6 Determine the phase relationship between the two signals shown in Figure 3B3. A.
industrial voltages in usa

[DOC File]Specification for three phase AUMATIC electric actuators
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The actuators shall be suitable for use on a 460 volt 3 phase 60 Hz power supply and must include motor, integral reversing starters, local controls and terminals for remote control and indication housed within a self contained, sealed enclosure. ... Control and signal voltage shall be either 24V DC or 110 V as indicated, internally or ...
common three phase voltages

3 phase voltage in usa