Technical Requirements for Substations Sample Clauses

Technical Requirements for Substations. The reactors must be supplied with current transformers incorporated in bushings, two 5P20 protection cores, in the three phases and neutral terminal, in addition to the corresponding core for thermal image protection. The reactance, power and definitive characteristics of the equipment shall be determined by the Concessionaire in accordance with what is defined, substantiated and approved in the Preoperative Study.
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Technical Requirements for Substations. It should be underlined that throughout the development of the definitive study of the Project, the Concessionaire should carry out all studies that guarantee the equipment correct operation in the proposed system.
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Technical Requirements for Substations. The autotransformers must be supplied with current transformers incorporated in bushings, three-core protection 5P20, for the three phases, and three windings, in addition to the corresponding cores for regulation and thermal image protection. The rated voltage, voltage regulation and connection group of the autotransformer bank shall be as follows:  Voltages - Primary voltage 500 kV - Secondary voltage 220 kV - Tertiary voltage (*) (*) kV  Connection group YN / YN / d(Δ) - Primary Side, 500 kV Wye, solidly grounded neutral - Secondary Side, 220 kV Wye, solidly grounded neutral - Tertiary Side, (*) kV Delta (∆) - Voltage Regulation Loaded on the 220 kV side  Rated power - Three-phase banks (500/220) kV 600(*) / 750 MVA (ONAN/ONAF) - Single-phase unit (500:√3/220:√3) kV 200(*) / 250 MVA (ONAN/ONAF) (*) These values will be evaluated and proposed by the Concessionaire in the Pre-Operative Study for evaluation and approval by COES-SINAC. As a reference, a regulation under load is recommended of ± 10% on the 220 kV side, with 1% steps. However, the Concessionaire must define rated voltages, number and range of tap variations and transformer drive and control mechanisms, in accordance with what is defined, substantiated and approved in the Pre-Operative Study.
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Technical Requirements for Substations. The reactors must be supplied with current transformers incorporated in bushings, two 5P20 protection cores, in the three phases and neutral terminal, in addition to the corresponding core for thermal image protection. The Concessionaire, in accordance with what is defined, substantiated and approved in the Preoperative Study, shall determine the reactance, power and final characteristics of the equipment. g3. Losses The autotransformer loss levels must be guaranteed for 100%, 75% and 50% of permanent load levels of rated power. The value of losses in reactors operating at rated voltage must also be guaranteed. The guaranteed values shall comply with provisions in IEC 60076 or its ANSI / IEEE equivalent.
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