2mva 10kv Wond Core Type Hermetically Sealed Oil Immersed Transformer Earthing Transformer

A grounding transformer or earthing transformer is a type of auxiliary transformer used in three-phase electric power systems to provide a ground path to either an ungrounded wye or a delta-connected system.Grounding transformers are part of an earthing system of the network. They let three-phase (delta connected) systems accommodate phase-to-neutral loads by providing a return path for current to a neutral.

Grounding transformers are typically used to:

• Provide a relatively low-impedance path to ground, thereby maintaining the system neutral at or near ground potential.
• Limit the magnitude of transient overvoltages when restriking ground faults occur.
• Provide a source of ground fault current during line-to-ground faults.
• Permit the connection of phase-to-neutral loads when desired.

Grounding transformers most commonly incorporate a single winding transformer with a zigzag winding configuration, but may also be created with a wye-delta winding transformer.Neutral grounding transformers are very common on generators in power plants and wind farms.Neutral grounding transformers are sometimes applied on high-voltage (sub-transmission) systems, such as at 33 kV, where the circuit would otherwise not have a ground; for example, if a system is fed by a delta-connected transformer. The grounding point of the transformer may be connected through a resistor or arc suppression coil to limit the fault current on the system in the event of a line-to-ground fault. 

Features:

High reliability, advanced level of performance, economic indicators and reasonable;

Using phase-shaped core of three joints, curing paint brushing the surface to reduce wear and tear and noise;

Winding structure of a new oil road design is reasonable, with the new insulation to improve the mechanical

strength and the ability to engage in short-circuit;

Tank forms, beautiful, generous.

Range of application:

It can be widely used in urban power network as well as petrochemical, metallurgical, textile and humid,

inaccessible enterprises, and mining.

Technical parameters:

Model:S11-M-2000/10

Rated Capacity (KVA):2000

No-load Losses (KW):2.15

Load Losses (KW):18.90

No-load Current (%):0.5

Short-circuit Impedance (%):5.5

Weight (KG):Oil Weight:715    Gross Weight:3985

Dimension (mm):LxWxH=1925x1255x1885

Gauge:820×820

Reference:

Our Performance:

Ville Electric Company will keep up with the century, the epoch,

Sincerely look forward to your cooperation and win-win!

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