行业应用 Products

Application Cases Related to Intelligent Distribution Network

Date: 2016-05-24
Click: 23

Intelligent Multi-mode Grounding System for Shanghai North Power Supply Company affiliated to Shanghai Electric Power Co., Ltd.

Autonomic Area Network Management System for the Urban Distribution Network of Shanghai South Power Supply Company affiliated to Shanghai Electric Power Co., Ltd.

Distribution Network Fault Monitoring and Management Platform of Jiashan Power Supply Bureau
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    The 110 kV Dalong Substation in Dongguan has three main transformers and four busbar sections. Currently, the sixteen 10 kV outgoing lines (total length about 100 km) consist of overhead lines and cables. Three KD-XH01-315 / Model 10.5 quick arc suppression systems (including two smart detectors for the earth fault of Type DDS distribution network) are installed in this substation. In this way, the integrated earth fault solution is available for the 10 kV distribution network.    It had operated for more than three years from October 2002 to the beginning of 2006. In the first year, only line selection rather than automatic trip was tentatively conducted as planned. The automatic trip has been enabled since January 7, 2004, with 10s as provisional trip time.   ...
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    Total Buck Transformer Substation 1# of Fujian Refining & Chemical Co., Ltd. is a 110 kV substation consisting of two 110 kV main transformers and two 6 kV busbar sections. It has secondary substations respectively for treated water, polypropylene, coking, hydrogenation, constant voltage, catalysis and circulating water. The 6 kV grid system is a resonance grounding system with the neutral point earthed via an arc suppression coil. The earth fault line selection devices for the microcomputer low current system are used for the single-phase grounding protection of each outgoing line circuit. Since their operation in 1997, the original air gap inductance regulation air-suppression system and its line selection devices have shown many problems, mainly including:   The grid capac...
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    Compensation capacity: -8 MVar to +8 MVarSystem voltage: 10 kVProject feature: an outdoor cabinet-type unit capable of being interconnected with the regional automatic voltage control (AVC) systemSystem composition: 8 MVar SVGCompensation scheme:   In normal cases, the system adopts the power factor of the 10 kV busbar as control target. In case of system failure, it will get into the overload forced compensation state for accelerating the recovery of network voltage.   A top layer controller is available for access to the substation monitoring system and the regional AVC system.
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