11kv Single Phase Overhead Step up Step Down Distribution Transformer

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Quick Details

Product Name:

11kv Single Phase Overhead Step up Step Down Distribution Transformer

Model NO.:

Single Phase Transformer

Brand:

Silverstone Electric

Shape of Core:

Frequency Characteristics:

Power Frequency

Usage:

Single-phase Transformer

Certification:

ISO9001-2000, ISO9001

Winding Type:

Separated Winding Transformer

Cooling Method:

Oil-immersed Type Transformer

Core:

Shell-type Transformer

Phase:

Single

Application:

Power, Instrument, Lighting, Rectifier

Color:

Gray,Green or Customized

Trademark:

Silverstone Electric

Transport Package:

Pallet / Wooden Case / Container

Specification:

Refer to Drawings

Origin:

China

HS Code:

8504220000

Product Details

Single Phase Overhead Step up Step Down Distribution Transformer

Silverstone Electric step-up/step-down transformer is a two winding transformer, specifically designed to transform between two different distribution-class voltages or to isolate between similar distribution-class voltages. Two-winding construction along with the use of full-width sheet secondary windings produces a unit with fault duty capabilities exceeding that of an autotransformer.

Contact our distributor or factory representative for availability of other kVA sizes, voltage ratings, features, accessories and design standards not listed

Ratings

Standard Features
• Meets or exceeds current IEEE, NEMA and RUS standards as applicable
• Shell-type core design
• Wet-process porcelain high-voltage bushings
(oil-filled at 125 kV BIL and above for reduced radio interference)
• Wet-process porcelain low-voltage bushings
• Tin-plated bronze terminals suitable for connection to copper or aluminum
• Visible cover ground connected to upper mounting bracket
• Tank grounding provisions
• Tank ground connector (1-bushing units only)
• Automatic pressure relief valve for added safety
• Mineral oil with oxidation inhibitor
• Mild steel tank, cover and ring
• Continuous-bead welding on lifting lugs and mounting brackets
For increased safety and corrosion resistance
• Recessed tank bottom for scuff protection
• Tough powder-paint finish for improved resistance to abrasion and corrosion
• 10 kV minimum cover and ring insulation
• Corrosion-resistant cover-ring hardware
• KVA marking on tank
• Internal oil-level mark
• Laser-engraved aluminum nameplate

Optional Features
• Stainless steel tank and/or cover and/or cover ring
• Lightning arrester mounting provisions
• Lightning arrester, externally-mounted or internally-mounted under oil
• High-voltage tap switch with external operating handle:
5-2.5% taps above normal; Or 5-2.5% taps below normal;
Or 2-2.5% taps above and below normal;
Or taps at 13800/13200/12870/12540 for units rated 14400
• Dual high-voltage switch with external operating handle
• Dual low-voltage switch
• Drain valve with oil sampling device
• Temperature gauge
• Liquid level gauge
• Pressure/vacuum gauge
• Wildlife protection
• Overload warning signal light
• Tank ground connector (standard on 1-bushing transformers)
• Ester-based diielectric fluid
• Custom stenciling and labeling
• Laser engraved stainless steel nameplate

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