Auto Transformer Starters (ATS) Panel

Auto transformer starter panel for three phase motor control and power regulation Three Phase Electric Company

What Is an ATS Panel?

Auto Transformer Starter (ATS) Panel is an electric motor starting panel developed to minimise high inrush current when starting a motor. It has an auto transformer that delivers less voltage to the motor when it starts and then progressively transfers to full voltage when the motor reaches a preset speed. Large induction motors that do not have direct-on-line (DOL) starting would usually be started using ATS panels because direct-on-line starting would result in an excessive current draw and voltage drops.

Components of an ATS Panel

An ATS panel is composed of an auto transformer having a number of tapping points, main and auxiliary contactors, timers, overload relays, MCCB/MCB, control switches, indication lamps, protection relays and terminal blocks. All these components operate in tandem to provide a smooth start of the motor, electrical safety and a safe transition between low voltage and full voltage operation.

Auto transformer starter panel components for smooth three phase motor starting Three Phase Electric Company
Auto transformer starter working diagram for three phase motor protection Three Phase Electric Company

How Does an Auto Transformer Starter Work?

The ATS panel will deliver less voltage when the motor is started using the auto transformer, which will restrict the starting current. This decreases both mechanical and electrical stress on the motor and the power network, respectively.

At a point of speed, the starter automatically disconnects the transformer, connecting the motor directly to the full supply voltage. This programmable initialisation procedure guarantees a steady acceleration of the motor and the safety of the motor as well as the power infrastructure.

Key Features of ATS Panel

Lessened starting current regulation.

Restrains inrush current to safeguard motors and upstream electrical equipment.

Single-phase Multiple voltage tap choice.

Gives the option of choosing an appropriate starting voltage depending on motor rating and load.

Electrical power components are heavyweight.

Installs quality contactors, transformers and other protection equipment that can last a long time.

Smooth motor acceleration

Eliminates a mechanical shock and torque during start-up.

Quality motor protection system.

Guarantees protection against overloading, phase failures and short circuits.

Durability in designing industrial panels.

Constructed to be used in hard industrial conditions.

Benefits of Using an Auto Transformer Starter

1. Reduced power system electrical demands.

Eliminates the dip in voltages during motor starting.

2. Extended motor lifespan

Controlled start lowers the friction on the winding of motors and mechanical components.

3. Better operational quality.

Provides consistent performance of the motors even in weak power networks.

4. Applicable to high-capacity motors.

Best suited for high starting torque motors.

Auto Transformer Starters Technical Specifications

Parameter

Specification

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Top Auto Transformer Starters Manufacturer and Supplier in India

A sound manufacturer of auto transformer starters in India works on proper design of transformers, high-quality components, and application engineering. Reliable suppliers provide ATS panels that provide safe starting of motors, energy efficiency and long-term operational reliability in any field of industrial use.

Why Use Three Phase Electric Company Auto Transformer Starters?

Three Phase Electric Company develops and produces ATS panels that have been engineered to start a motor safely and perform reliably. They are designed as their auto transformer starters to fit the capacity of the motor, load conditions and the site conditions. The company provides ATS panels with intense quality checking, high construction, and good technical support, which add up to the motor protection, less electrical stress, and long-term operation.

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