American box 800KVA 10KV supply level American box Continental me change the landscape / high and low voltage transformer Product Overview: SAD Series modular transformer is twenty-first century Shanghai Power Transmission and Distribution Co., Ltd. introduced the localization American box. Since developed into a self-advised, twenty-first century Shanghai Power Transmission and Distribution Co., after years of carefully orchestrated, the product distribution network in urban and rural areas as an important power supply unit. Set high voltage substation and power distribution control and protection equipment in one change with electrical products are widely used among the urban and rural power distribution network. The product will be high voltage load switch, high voltage fuses placed in transformer oil, with a total body of the transformer box or binning two structural forms. Tank fully sealed structure. With oil temperature meter, oil level gauge, pressure gauge, pressure relief valves, drain valves, and other components to monitor the transformer operation. The products are divided into ring type, terminal type, and dual power supply mode type. In order to make the product more suitable for the actual requirements of the grid. Twenty-first century Shanghai Power Transmission and Distribution Co., Ltd. has launched a plug-type fuses, fuse blown transformer does not affect performance. Depending on the complexity of the requirements of low-voltage feeder, twenty-first century Shanghai Power Transmission and Distribution Co., SAD series is divided into standard. Enhanced and integrated three shell form. Do users and design units in the selection more flexible and more economical. Scope: ① urban public distribution systems, in residential areas, busy streets when load increases, the need to increase the capacity of the transformer. ② temporary power construction site: the case of existing buildings, in need of rehabilitation or increased electrical equipment, field operations and supply outside the workplace, such as oil, mining, ports, railway stations and so on. ● ambient temperature environment; maximum temperature + 40 ° C :, minimum temperature -30 ° C; ● altitude: ≤1000m; ● wind speed: Pretty 34m / s (not more than 700Pa); ● humidity: daily average relative humidity ≤95 %; average monthly relative humidity ≤95%; ● Shock: horizontal acceleration is not greater than 0.4m / s2 vertical acceleration is not greater than O.15m / s2; ● installation site tilt: not more than 3 °; ● Installation environment: ambient air significant pollution from corrosive, flammable gas installation site without severe shock;. ● When ordering this product beyond the provisions of the above conditions can be negotiated with the company. ■ Product Features ● compact structure, small size, only with the capacity of producing products with 1 / 3-1 / 5 or so, greatly reducing the footprint; ● Fully sealed, fully insulated structure, without insulation distance, reliable protection personal safety; ● high voltage load switch fuse combinations using protection; ● high-voltage wiring both for the ring, but also for the terminal, power supply flexibility, high reliability; ● transformer performance: low loss, low noise, low temperature rise; overload, anti-short circuit, impact resistance, strong ability; ● meet a variety of low-voltage DC output requirements, according to the program selection, can also design their own; ● cable head, elbow type cable connector 200A and 600AT two-joint, elbow type cable connector suitable for cable cross-sectional area of ??35-185mm2 T-connector suitable for cable cross-sectional area of ??35-500mm2, cable head material into copper and aluminum core, both can be configured fully insulated MOA. 200A Elbow plug cable head can take the load, but also can play the role of isolation Jian Guan. ■ binning structure features ● box changes using binning structure: body of the transformer and high voltage switches, fuses and plug-limiting fuses and other reserve components were placed in sealed high pressure tank, about two boxes arranged horizontally, separator completely separated, there are insulated wall bushing wiring used in transformers and load switch, the separator can be easily removable without affecting another box to use. ● about two boxes of fabric catching rabbits advantages: 1. two boxes of each other: - prevent leakage due to partition in the end lead to the upper oil into the tank causing the upper tank in oil ministry (in oil or no oil causes the operating load switch arcing, right equipment and personal dangerous}; - Another advantage is easy to access when arranged around the transformer room, when the load switch room overhaul two boxes of each other, convenient (eg down transformer arrangement needs overhaul after the removal of the upper part of the tank to open all of the transformer. tank, maintenance is very inconvenient). 2. binning structure to solve the load switch operations and the fuses for transformer oil pollution problems. 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