HV Diagnostics TD60 Tan Delta Test System

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Features

Lightweight portable unit.
Solid state air insulated design.
Suitable for use with the HVA60 VLF test systems.
Test result storage to notebook or PDA via Wireless connection.
Supplied complete with analysis software.
Real-time display of actual output waveform.

Visual Indication of TD levels

Applications
The TD60 provides the testing and commissioning engineer with a versatile high voltage tan delta measuring system suitable for testing electrical plant including cables: XLPE, PE, EPR, PILC etc, capacitors, switchgear, transformers, rotating machines, insulators and bushings.

Description
Tan Delta testing enables the cable test engineer to detect insulation defects before the cable fails in service. The TD60 is a versatile tan delta measuring system that is directly connected the HVA series of VLF test systems. The tan delta of the test object can now be quickly measured and the results stored thus providing a “signature” of the device being tested. This enables the cable engineer to now make tan delta routine test.

Product design
The TD60 is a battery powered system that is directly connected to the HVA60 series of VLF test systems. The standard “C” size alkaline battery cells last for some 10hours thus providing the capacity for many tests. The TD60 is supplied with 10 meters of output cable which is already terminated to suit the HVA60 test system. The TD60 is supplied complete with operating software which gives a complete picture of the tan delta measurement together with a real time display of the output voltage and current. The data transmission to the note book pc or PDA is via Bluetooth thus eliminating a direct connection between the TD60 and the data collection device.

TD60 test setup
The TD60 test setup is very simple since it is already designed to operate with the HVA60 series of test systems.

In addition since the data transfer is via Bluetooth there are no physical connections to the note book PC or PDA.

	TD 60 Analysis software There are 3 main screens associated with the TD60 software. The test report screen gives all the details of the measurements taken during a test sequence. The results are based on individual measurements per cycle of voltage and current. From these results the Tan Delta is calculated and displayed.

	Output waveform screen In the Wave view screen both the output voltage and output current are displayed simultaneously in real time. In addition the status of the voltage and current waveforms the Tan Delta value is also displayed.

	Tan Delta curve screen The tan delta curve screen plots the measured Tan Delta with respect to the test voltage. On a good test sample the curve should remain almost horizontal. However, on a faulty sample a Tan Delta “tip up” will occur alerting the test engineer to possible faulty sample. All 3 phases can be compared on the same diagram.


Specifications
Input Voltage	2 type “C” alkaline cells
Operating Voltage	Sinusoidal: 1 to 44kV rms Frequency: 0.1 Hz
Voltage Measurement	Resolution: 0.1kV rms Accuracy: 0.5% of reading
Current Measurement	Resolution: 1μA rms Accuracy: 0.5% of reading
Frequency Measurement	Resolution 0.01Hz
Tan Delta Measurement	Resolution: 0.1 x 10^-3 Accuracy: ±0.2 x 10^-3 (load > 40nF) ±0.5 x 10^-3 (load > 10nF)
Weight	11 lbs (5.0 kg) not including batteries
Dimensions	18" (L) x 5" in diameter (450mm long x 120mm in diameter)
Computer Interface	Wireless. Results download software is included
Accessories Supplied	HV output cable, transit case, Earth cable, operating software and Operating manual
Standards	Shock: IEC68-2-27 (15g/11ms half sinus) Vibration: IEC68-2-6 (10…..150Hz : 2g EMC: IEC6100-4-2, IEC6100-4-4, EN55011 Safety: EN60950, EN50191,EN61010-1
Temperature	Storage: -25º C to +70ºC Operating: -5ºC to +45ºC

	Note: the information detailed in this document may change without previous notification.