75 kva 3 phase transformer
[DOC File]PRODUCT SPECIFICATION FOR A 15 TO 75 KVA,
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6. Each device shall be fused for circuit protection. Visual service indicators (one for each phase) shall be provided to indicate that the SSS is no longer providing protection. 5.0 Electrical Characteristics. 5.1 60 Hz Frequency units . 1. Output Rating KVA: 15, 30, 50, 75 (100 kVA, 480 VAC input only) 2. Input Voltage: 208 or 480 VAC . 3.
[DOC File]Transformer Design - EECE
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Kt = 0.6 to 0.7 for 3-phase core type power transformer . Kt = 0.45 for 3-phase core type distribution transformer . Kt = 1.3 for 3-phase shell type transformer. Kt = 0.75 to 0.85 for 1-phase core type transformer . Kt = 1.0 to 1.2 for 1-phase shell type transformer . Estimation of Core X-sectional area Ai. We know . Or So
[DOC File]PS202002EN - Eaton
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The transformer shall be designed in accordance with this specification and the kVA rating shall be: 45, 75, 112.5, 150, 225, 300, 500, 750, 1000, 1500, 2000, 2500, 3000, 3750, 5000, 7500, 10,000 (range may also be specified). ... (3) bushings with phase-to-phase and phase-to-ground clearances adequate for 200 kV BIL. ... The high-voltage ...
[DOC File]PRODUCT SPECIFICATION FOR A 15 TO 300 KVA,
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4.4 a) 15 to 300 kVA: Isolation Transformer. A multi-shield, convection cooled, 3 phase, isolation transformer shall be provided. Construction of the transformer should separate the primary connections and the secondary connections by placing them on opposite sides of the core.
[DOC File]Functional Specification for Single-Phase Overhead Type ...
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5, 10, 15, 25, 37.5, 50, 75, 100, 167. The applicable kVA rating shall be specified on the inquiry. The primary voltage and the basic insulation level (BIL) shall be in accordance with Table 1. Table 1. Ratings for Single-Phase Transformers (Single Ratio) Transformer High-voltage Minimum kVA Rating For. Low-voltage Rating of: Rating (V) BIL (kV ...
[DOC File]Typical Specification, ULLTRA type L
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The non-linear load bank shall be capable of presenting current distortion levels up to 100% and a load of up to 75 kVA on each phase-to-neutral leg to test a 225-kVA transformer at full load and larger transformers at a reduced load. Dual watt meters and CT sets shall be used to monitor transformer input and output power with revenue class ...
[DOC File]K
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arc=0.75,efficiency=0.85. (16) 13.(a). (i).Derive an expression for the output equation of a 3-phase transformer. (6) (ii).The tank of a 1250kVA,natural cooled oil immersed transformer has the dimensions length, breadth and height as 155cm X 65 cm X185 cm respectively.
[DOC File]TRANSFORMERS, SPECIALTY, DRY TYPE, OUTDOOR, 1 PHASE …
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7901 – 7th ave s. seattle, wa 98108. ph: 206-767-3554. fax: 206-762-5867. transformers, specialty, dry type, outdoor, 1 phase and 3 phase as listed below, all per seattle city light material stanard 0039.3 rev. 9 …
[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 …
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