Overview
The SCB Series Dry Type Transformer is designed for reliable medium voltage power distribution in industrial, commercial and infrastructure applications. With a dry insulation system and no insulating oil, it provides a practical solution for indoor power distribution where space, safety and maintenance requirements are important.
The transformer is available in different rated capacities and voltage configurations to meet the requirements of various electrical distribution systems. It can be used independently or integrated into a prefabricated substation, medium voltage distribution system or low voltage power distribution network.
Key Features
- Oil free design — a dry insulation system with no insulating oil, suited to indoor installation where fire risk and oil containment are concerns.
- Reliable power distribution — built for medium voltage distribution in industrial, commercial and infrastructure applications.
- Low maintenance — the dry type construction reduces routine maintenance compared with oil-immersed designs.
- Dry type insulation — resin insulated windings without liquid dielectric.
- Efficient magnetic core — a magnetic core designed for efficient operation.
- Reliable winding structure — a winding construction engineered for dependable service.
- Temperature monitoring — built-in temperature monitoring for the windings.
- Cooling options — a choice of cooling arrangements to suit the installation.
- Flexible installation and compact configuration — designed to fit indoor distribution rooms where space is limited.
- Flexible protection — protection arrangements can be matched to the application.
- Project customization — customizable solution to suit specific project requirements.
Technical Specifications
| Series | SCB Series dry type transformer |
|---|---|
| Rated voltage class | 10kV |
| Insulation system | Dry type, resin insulated |
| Insulating oil | None (oil free design) |
| Power frequency withstand voltage, 10kV product | 35kV |
| Lightning impulse withstand voltage, 10kV product | 75kV |
| Standards | IEC 60076 |
| Cooling | Options available |
| Temperature monitoring | Provided |
Applications
- Indoor power distribution in industrial plants.
- Commercial buildings and infrastructure projects.
- Installations where space, safety and maintenance requirements are important.
- Systems where the transformer is used independently.
- Integration into prefabricated substations and medium voltage distribution systems.
- Low voltage power distribution networks.
Installation Conditions
- The transformer is a dry type, oil-free unit, making it suitable for indoor installation without oil containment provisions.
- Allow adequate ventilation around the unit — the cooling arrangement should be matched to the installation and loading.
- Provide for the temperature monitoring circuit so winding temperatures can be supervised during operation.
- Confirm the rated capacity, primary and secondary voltages and vector group against the distribution system before installation.
How to Select
- The rated capacity (kVA) required by the load.
- The primary voltage of the incoming supply.
- The secondary voltage required by the load.
- The vector group needed for the distribution system.
- The impedance (%Z) required for fault level coordination.
- The cooling type appropriate to the installation and loading.
- The installation environment and its constraints.
- The protection requirements of the application.
FAQ
What type of insulation does the SCB series use?
It uses a dry type resin insulated system with no insulating oil, which makes it suitable for indoor distribution where space, safety and maintenance requirements are important.
What are the withstand voltages for the 10kV product?
The 10kV product has a power frequency withstand voltage of 35kV and a lightning impulse withstand voltage of 75kV.
Does the transformer require oil maintenance?
No. The oil free design means there is no insulating oil, which reduces routine maintenance compared with oil-immersed transformers.
Is temperature monitoring included?
Yes. Temperature monitoring is provided, and cooling options are available to suit the installation and loading.
Can it be integrated into a prefabricated substation?
Yes. The transformer can be used independently or integrated into a prefabricated substation, medium voltage distribution system or low voltage power distribution network.
What parameters should be confirmed when selecting a dry type transformer?
Confirm the rated capacity (kVA), primary voltage, secondary voltage, vector group, impedance (%Z), cooling type, installation environment and protection requirements.
Is the SCB series customizable?
Yes. The transformer is available in different rated capacities and voltage configurations, with project customization available to suit specific requirements.
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