D.V.D.F / Induced Over Voltage (I.O.V.W.) Test Set Suppliers Hyderabad, Vijayawada, Andhra Pradesh

Induced Over Voltage Test Set is used for testing the strength of insulation between turns and between other points of the transformers etc. as stipulated by BIS or other standard specification. For this test Double Voltage is applied across L.T. terminals for one minute, and to control the magnetizing current over voltage frequency is applied.

It is and independent unit having coupled motor and Generator with Control Panel to control the motor ad output voltage. Depending upon the design requirements AC or DC motors are used.

SPECIAL FEATURES

• No foundation required
• Unit ready for use.
• Fine Voltage control.
• Short Circuit Protection.
• Caliberated Voltage and Ampere Meter.
• Easy to operate complete with operator safety features.
• Guaranteed for one year against manufacturing defects.
• Efficient After Sales Service.

TECHNICAL DETAILS

The control panel consists of direct on-line or Star-Delta depending upon capacity of the setup. Moving Coil Voltmeter and Ammeter are provided to indicate the output voltage and current. Frequency meter is provided to check output frequency. While for measuring input voltage and current, moving iron type meters are used. Other included parts consists of variac, indicators, control switches and operator safety features. In case of DC motor, DC drive is used to control/vary the frequency.

INPUT VOLTAGE: 415V, 3 phase 50Hz AC supply

OUTPUT VOLTAGE: 0 -1500 V or As Required

OUTPUT FREQUENCY: 100 Hz to 400 kHz or As Required

CAPACITY: Upto 2000 kVA or As Required

FOUNDATION: Not Required

PROTECTION: Zero Start Inter Locking, Overload Protection, Single Phasing Preventer ..... etc

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Short Time Over Current Test Set Suppliers Bengaluru, Mysore, Mangalore, Karnataka

The equipment is designed for supply high current for pre-set duration. The unit consist of a timer, Amperemeter with freezing facility to measure the short duration current
The equipment has provision for stepless control of the normal control and switch to set two times, 3 times, 6 times or 8 times the rated current. The output is brought out on copper bus bar. The unit is complete with Amperemeter, Timer, .5 classify and other controls.

SPECIAL FEATURES

• Compact in Size.
• Easy to operate.
• Guaranteed for one year against manufacturing defects.
• Efficient After Sales Service.

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Voltage Dips and Interruption Test Set Exporters to South Africa, Zimbabwe

The input supply is expected to change time to time. So the voltage dip and interruption test set is subjected on energy meter. The equipment consist of pre-set timer to supply voltage 100% or more or less as per requirement of the test for duration required by the test. The supply is also cut off and re-stored again at a pre-set timing as per the test requirement.

• All the three test in one test set-up
• Highly reliable electronic control circuit.
• Variable reference voltage for different ranges of Energy Meters.
• Set reference voltage induction on digital voltmeter for each phase
• Suitable for single phase and three phase energy meters.
• Compact Design.

TECHNICAL DETAILS

Input voltage: 415 V AC, 3 phase 50 Hz

All the three tests can be carried out as per clause 12.7, 2.1 of IS:13779.

• Voltage interruptions of Vref = 100% (1s, 3 Nos)
• Voltage interruptions of Vref = 100% (20 ms, 3 Nos)
• Voltage dips of Vref = 50% (1Min,1 No.)

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Variable Auto Transformers Suppliers Kerala, Tamil Nadu, South India

Wherever voltage control is required, ‘RE’ Variacs makes it very simple by providing Toroidally wound Auto Transformer for variable voltage. If you have not yet used ‘RE’ Variacs you are missing some important benefits of using electric power. The maximum current that can be drawn depends on the size of the wire used. The ‘RE’ Voltage regulators are manufactured from 2 A to 2000 A for Single and Three Phase.

Special Features

• Compact in Size.
• Easy to operate.
• Special Insulating Paper is used for transformer winding.
• Guaranteed for one year against manufacturing defects.
• Efficient After Sales Service.

Technical Specifications

‘RE’ Variac Continuously Variable Auto Transformers usually form part of system in which other components such as transformers. Diode etc. are used as power components, ‘RE’ Variac Engineers are well experienced in such applications and are always available for consultation to prospective users.

The proportion between iron section and copper turns is such that at the maximum AC applied voltage maximum NO LOAD current is within 5%.

The insulation of the wire over one face is removed the output is taken between one end and the brush arm. The moving Brush contacts the next turn before it breaks away from the previous turn, thus, there is no interruption in output voltage.

‘RE’ Variac is designed to Boost the Output, Voltage by 12% than the input voltage.

Three Single phase units are connected in star for 3 phase four wire system. The brush arms are moved by a common shaft and the Star point is connected to the neutral of the system. A three phase voltage variable from zero to 470V is obtained, if the Input voltage is 415V in case of single phase 270V is obtained if input is 240V. Custom made capacities can be manufactured and as yet the manufacturing range covers upto 2000 Amperes in three phase.

OPTIONAL: ‘RE’ Variacs are available with motor drive. The type of motor used for driving is specially made for this application. It is 240V AC motor operating with speed of 60 RPM synchronous at 50Hz. It is instantly reversible and can be stopped without overrun. It speed depends on frequency i.e. 60 RPM at 50 Hz. Supply. The desired speed is obtained by suitable by gearing. It starts stops & reverses instantly. It is ideal for automatic voltage control through Electronic system. *It can be stalled indefinitely without over heating.

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E-mail us at: info@re-india.com

Current Comparator Test Set Manufacturers Madhya Pradesh, Chhattisgarh

Current Comparator Test Set

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Electrical Test Bench Manufacturers Bihar, Jharkhand, India

Electrical Test Bench

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Resistive Load Bank Suppliers Guwahati, Imphal, Shillong, North East India

Resistive Load Bank

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Inductive Load Bank Suppliers Kolkata, West Bengal, India

Inductive Load Bank

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Inductive & Resistive Load Bank - AC High Current Test Set

Inductive & Resistive Load Bank

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Static / Electromechanical Meter Test Bench Manufacturers Delhi, Noida, Gurgaon, Faridabad, Ghaziabad

Static / Electromechanical Meter Test Bench

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Transformer Test Bench Exporters to UK, Germany, France, Italy

‘RE’ Electrical Test Bench for Testing Motors, transformers and electrical Equipment etc. The Test Panel shall be suitable for 3 phase input supply having 63 Amp MCB for each phase independently. Phase ON Indicator, Voltmeter with selector switch to indicate the voltage of each phase. Amperemeter with Multirange CT of 5/5, 5/15, 5/30 aand 5/60 A of class 0.5 accuracy for each phase, 3 Phase wattmeter of suitable range.

TECHNICAL SPECIFICATIONS

In addition following will be provided in the panel:

a)The Panel shall also consists of High current source having capacity 0-1000 amps. at 3 KVA. The Source shall be suitable for working on 230 V single phase 50 Hz. AC supply and complete with Output Bus-Bars and Input ON indicator etc. The Source shall have own Variable Transformer and shall be energise from one of the three phase supply.

b)AC HV Breaddown Tester shall be provided having capacity 0-5 KV at 100 mA and tripping at 5/25/50 and 100 mA. The unit shall be complete with test lead, input and output ON indicator.

c)0-24Volts at 10 Amps or 0-48 Volts at 5 Amps supply shall be provided brought out on Banana Terminals for testing DC Relay and other DC system etc. The unit shall be complete with ‘ON-OFF’ switch, input ‘ON’ indicator 72 sq.mm. output Voltmeter and Amperemeter.

d)A DC continuity tester shall also be provided with Indicator and ‘ON-OFF’switch.

e)Separate phantom loading arrangement shall be provided

f)Phase shifting arrangement shall be separately

g)All measuring instrument shall be of digital type.

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L.T. Parallel Inductor - AC High Current Test Set Suppliers Bangalore, Hyderabad, Cochin

Motorised moving coil and fixed reactor shall be provided for generating inductive current for canceling capacitive current to reduce the input current to 20% (from 750 A to 150 A)

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Secondary Current Injection Tester Manufacturers Suppliers Mumbai, Nagpur, Pune, Maharashtra

'RE' Secondary Injection Test Sets have been designed keeping in view the requirements of field and laboratory. The sets are portable, light in weight, yet having all the technical features for testing relays and contractors.

SPECIAL FEATURES

• Compact Size.
• Built in safety arrangements in case of short circuit and over loading.
• Easy to operate.
• Efficient after sales service.
• Guaranteed for one year against manufacturing defects.

TECHNICAL SPECIFICATIONS

'RE' Portable Secondary Injection/Relay Test set is designed for working on 220/230 single phase 50Hz Ac supply and complete with power 'ON-OFF' indicator, circuit 'ON' indicator. The set will have following independent circuits depending upon functional requirement of customer. Each circuit shall have push button actuated, relay/contractor to control the output of the circuit. All these circuits and components shall be housed in Rigid PVC Suitcase with carrying handle or wheels in case of Higher capacity.

CURRENT CIRCUIT: To Inject current of desired value in the relay/contactor. This circuit consists of loading transformer, selector switch, variable control, fine adjustment. Depending upon specific requirement percentage selector switch can also be provided to inject current at various multiples. The current injected is indicated by Ampere Meter. For large range the Ammeter has a multiplier or current transformer.

VOLTAGE CONTROL: This circuit supplies voltage Independently as per requirement. The continuously variable voltage or fixed tap voltage can be provided as desired by the user. AC or DC or both voltages can be provided along with corresponding metering, indications, switches etc.

PHASE SHIFT CIRCUIT: This is incorporated only when special type of relays are to be tested. The phase angle between voltage & current is developed to obtain current operational parameters of the relay.

TIME CIRCUIT: Digital Timers with freezing facility is provided for recording the operation/tripping time of relays under test.

Each circuit is independent & push button operated, relay/contractor to control the output of the circuit.

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