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Dimako manufactures a wide range of flameproof transformers up to 3500kVA, either skid or trailer mounted. Applications span from simple control transformers to complete dual wound section power supply transformers. The transformers are designed and manufactured in-house and are configured to meet specific customer requirements and environmental conditions. Display/Indication/Features The unique enclosure design reduces the ingress of moisture, a common problem in underground applications. Various combinations of Medium Voltage (MV) and Low Voltage (LV) switch-gear are available for the transformer. MV enclosures range from simple socket chambers, on load isolators, to MV circuit breakers. LV switch-gear ranges from single to sixteen way units.
Developed in South Africa, the Coalbuster Section switch with microprocessor control has been designed to meet worldwide mining standards. The complete switch is protected from short circuit by extremely fast acting electronics and a circuit breaker located in the top busbar chamber. The PEFLO controlled relay and microLOAD overload relay provide a user friendly, reliable, simple system combined with superior operating control parameters. Microprocessor controlled relays have reduced the internal panel wiring and component count. Different outlets can be interlocked and sequence started for typical mining applications
Latest developments are based on PowerCentre and LoadCentre concepts whereby the MV switchgear, Transformer, Secondary LV Isolator and Secondary LV circuits are all mounted onto one skid or trailer.
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