200 volt 3 phase motor
[DOC File]BASIC NEC CODE RULES AND DESIGN PRACTICE
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If more than 3 phase wires are in one conduit, then wires must be derated according to Note 8, after Table 310-19 as follows: TABLE 1. Number of Conductors Percent of Values in 310-16 *1-3 80 *4-6 80. 70 25-42 60. 43 and above 50 *If circuit is loaded up to 80% ampacity, then 6 phase …
[DOC File]Section 15640 - Cooling Towers - Tower Tech
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Must be Suitable For: 200-Volt, 3-Phase. Must be Suitable For: 208-Volt, 3-Phase. Must be Suitable For: 230-Volt, 3-Phase. Must be Suitable For: 380-Volt, 3-Phase. ... Motor Control and Protection: Each fan motor shall have a contactor suitable for both the HP and voltage specified. Each fan motor shall have thermal overload protection suitable ...
[DOCX File]This section has been written to cover most (but not all ...
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As a general guide only, 200 volt or 230 volt motors over 20 hp and 460 volt motors over 50 hp may need some means of limiting the inrush current on startup. ... Verify the proper rotation of each three-phase motor as it is being wired or before the motor is energized for any reason.
[DOC File]Basic Electrical Power Fundamentals
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See note at bottom of table for 200 volt motors . Increase current 10% S0: I = 1.10(54 Amp) = 61.1 Amp. Example: Electric furnace 50 KW, 208 V, 3 phase . I = KVA = KW = (P.F.=1.0) = 50KW = 144.3Amp.20KV(3 . Example: Motor 10 HP, 460V, 3 phase, find I . NEC 430-150, 10 HP @ 460V, 3 phase I = 14 Amp . KW, KVA
[DOCX File]SECTION 11 05 12, GENERAL MOTOR REQUIREMENTS FOR …
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Motors connected to 208-volt systems: 200 volts. Motors connected to 240 volt or 480 volt systems: 230/460 volts, dual connection. Three phase: Motors connected to 208-volt systems: 200 volts. Motors, less than 74.6 kW (100 HP), connected to 240 volt or 480 volt systems: 230/460 volts, dual connection.
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