Description

“NTPL” MAKE 60 KV DC Vacuum Bottle Test Set Model – VINT60KV

APPLICATION:

Suitable for testing the condition of vacuum bottle in medium voltage switchgear. Leakage current preset value (GO/NO-GO) adjustable from 0.2mA to 2mA using LCD & Keypad. Red & Green lamp indication for defective and acceptable bottle.

Technical Features:

Input Power Supply          : 230V ± 10%, 50Hz ± 5%, 1 Phase AC.

Output Test Voltage         : Continuously variable from 0 to 60 KV DC.

Max. output current           : 2.5mA max. at HT side.

Leakage current  Limit     :  Pre-settable from 0.2 to 2mA for GO/NO-GO testing.

Duty                                         : Intermittent duty cycle, i.e., 5 mins ON, 10 mins. OFF.

Transient Protection         : 2.5mA(Instantaneous trip through fast acting DC relay)

Output Ripple voltage      : <3% at no load.

Operating Temperature  :  0-50°C

Feature:

• Power Mains ON – OFF switch & Fuse.
• ‘HT’ ON & ‘HT’ OFF push buttons.
• Lamp indication: Power Mains ON, HT ON, ACCEPTABLE (Green), DEFECTIVE (Red) ,OVERVOLTAGE.
• Knob for continuous variation of the output test voltage up to the required voltage level.
• 4-Key matrix keyboard for setting of test parameters.
• Resistive self-discharging.
• Transient Tripping current set at 2.5mA.
• Last applied test voltage latched & indicated in the LCD on tripping of HT circuit.

Metering: The LCD will indicate the status…..

Voltage in KV, leakage current in mA, Test time (Dwell time)

• Accuracy of voltage measurement : ± 3% of FS, Resolution: 0.1kV.

• Accuracy of leakage current measurement : ± 3% of FS Resolution: 0.01mA.

Protection & Interlock:

• Zero start interlock
• Automatic tripping mechanism against over loading.
• Over voltage Indication.

DC High Voltage Assembly Unit:

• HV Transformer & DC HV Block mounted on MS trolley within Insulated jacket.
• The Transformer & DC HV Block cast resin type.
• Designed to withstand frequent intermittent spark over or short circuit conditions
• Series resistance to limit inrush of current at the output.

Accessories:

• 3-pin Input Power cord with plug-3M – 1 No.
• Interconnecting cables between the units-3M – 1 No.
• Discharge rod with grounding cable-5M – 1 No.
• Ground cable-3M – 2 Nos.
• High voltage return cable of minimum length-5M. – 2 Nos.
• Carrying case/bag for accessories. – 1 No.

Documents:

• Operation Manual(Instruction Manual)
• Works Test Report
• Warrantee Certificate