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Partial Discharge Accessories
AC/DC Partial Discharge Test Syst.
DDX9101 Partial Discharge Detector
DDX9121B Partial Discharge/RIV
DDX7000 Partial Discharge Detector
DDX8003 Partial Discharge Detector
PSF/CIC Power Separation Filters
 

 

Documentation

 

 

Applicable Standards

IEC 60060 Parts 1 and 2
IEC 60270
IEC 885-2 and 885-3
IEEE Std. 4, 1995
ANSI C63.2-1996
ANSI C57.113
ANSI C57.124-91
ICEA T-24-380
ASTM D1868-93
NEMA 107

 
 
 

Related Products

 
DX7000 & 8000 Partial Discharge Equipment
 
DDX7000 & 8000 Partial Discharge Equipment

Home | Products | Haefely-Hipotronics | Partial Discharge Equipment | DDX 9121B PD and RIV Detector | Accessories for PD Testing

 

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DDX 9121B Modular Partial Discharge and RIV Detector
 

Overview
The DDX 9121B is the latest in the DDX family for partial discharge and radio interference voltage testing. With the DDX 9121B you can setup, control, test, monitor and generate test reports from a single computer.

Its modular design makes the DDX 9121B flexible for any application. From single measuring input to simultaneous nine measuring inputs. From traditional partial discharge according IEC 60270 to RIV measurement or PD under DC. From pass/fail test to advanced phase resolution time analysis. The DDX 9121B includes all you need and have all you want.

The DDX 9121B comprises 1 to 9 rack-mounted unit(s) communicating with a remote PC (not included), which handles the display of PD information using the DDX 9121B/SWR data acquisition and remote control software. The software displays test results, generates test reports, and provides a means to calibrate the system. Digital filters allow the measurement frequency range to be at any range into measuring band to suppress frequency dependent noise. In addition gating possibilities allow blanking out stationary interferences.

The reports can then be printed out from the software or displayed as a web page. With help of the software the user can also export the results for use in a spreadsheet. Software also provides bitmaps for inclusion in other reports.
 


DDX 9121B Modular Partial Discharge and RIV Detector
DDX 9121 RIV & Partial Discharge Equipment

Features
  • User-defined measuring band.
  • Modular design: 1 to 9 detectors can be stacked, (easily upgradable).
  • Embedded switch with 4 PD inputs per detector.
  • Simultaneous RIV and PD reading.
  • PD patterns like phase, magnitude, occurrence.
  • High resolution spectrum analyzer with oscilloscope.
  • Data Acquisition and test report generation.
  • AC and DC measuring modes.
Benefits
  • Increase lab sensitivity - equipped with digital filters, allowing the measuring frequency band to be shifted into a less noisy range. (thus suppressing frequency dependent noise).
  • Reduce your ground noise - the built-in frequency spectrum analysis and selectable frequency band lets you optimize setup
    in seconds.
  • Optimize your investment if your needs change - unit can be easily upgraded (RIV, 4 inputs switch, simultaneous PD readings, PD on DC, etc).
  • Reduce your training time - the Windows-based software makes the use of the device easier than ever.
  • Easy to integrate into test systems - its compact design, standard BNC measuring cables, and remote control capabilities make it ideal for integrated PD test system together with an AC power supply.

 

DDX 9121B Configurations

Model Numbers

DDX 9121-1 DDX 9121-1/RIV DDX 9121-3 DDX 9121-3/RIV DDX 9121-4

Simultaneous PD Inputs

1 1 3 3 4

Non-simultaneous PD Inputs
Option DDX 9121B/MUX

Option
4
Option
3
Option
12
Option
11
Option
16

Simultaneous RIV Inputs

1 3

Non-simultaneous RIV Inputs
Option DDX 9121B/MUX

Option
3
Option
11

PD on DC
Option DDX 9121B/DC

Option Option Option Option Option

Phase Resolve Analysis

Yes Yes Yes Yes Yes

Spectrum Analyzer and Scope

Yes Yes Yes Yes Yes

Selectable Measuring Band

Yes Yes Yes Yes Yes
 

Model Numbers

DDX 9121-4/RIV DDX 9121-6 DDX 9121-6/RIV DDX 9121-8 DDX 9121-8/RIV

Simultaneous PD Inputs

4 6 6 8 8

Non-simultaneous PD Inputs
Option DDX 9121B/MUX

Option
15
Option
24
Option
23
Option
32
Option
31

Simultaneous RIV Inputs

4 6 8

Non-simultaneous RIV Inputs
Option DDX 9121B/MUX

Option
15
Option
23
Option
 31

PD on DC
Option DDX 9121B/DC

Option Option Option Option Option

Phase Resolve Analysis

Yes Yes Yes Yes Yes

Spectrum Analyzer and Scope

Yes Yes Yes Yes Yes

Selectable Measuring Band

Yes Yes Yes Yes Yes
 

General Specifications

PD Measuring

Input Impedance

50 Ohms

PD System Bandwidth

30kHz to 1.5MHz (-6dB) (with internal analog filter)

10kHz to 1.5MHz (-6dB) (without internal analog filter)

Filter Center Frequency

Freely selectable (32kHz to 1.498MHz)

Filter Bandwidth

4kHz / 4.5kHz / 9kHz

10kHz to 100kHz, in 10kHz steps

100kHz to 500kHz, in 50kHz steps

600kHz to 1MHz, in 100kHz steps

Sensitivity

< 0.1pC (directly at AKV 9310/T quadripole input)

Input Attenuation Range

0dB / 20dB / 40dB

Linearity Error

< 5% (1 to 100% FSR)

Pulse Phase Resolution

0.35

 

Voltage Measurement

Input Voltage Range

0.14V AC to 140V AC RMS

-200V to -0.2V DC / +0.2V to +200V DC

Frequency Range

15Hz to 400Hz

Input Impedance

1.7MΩ / 11pF

Linearity Error

< 1% (0.1 to 100% FSR)

Synchronization

Voltage or Mains Input

Synchronization Accuracy

<5

 

RIV Measurement System

Frequency Range

850kHz to 1150kHz

IF Filter Bandwidth

4.5kHz and 9kHz

Image Rejection

> 55dB

Stop Band Attenuation

>70dB at 7.5kHz

>60dB at 10kHz

Linearity Error

2dB at 10Hz to 1kHz PRF, 1/10 to 10x calibration level

Quasi-Peak Detector Response

According to NEMA 107, ANSI C63.2-1996

 

Environmental

Operating Temperature Range

0C to 45C

Storage Temperature Range

-20C to 60C

Relative Humidity

5% to 80%, non-condensing

 

Mechanical

Power Supply Input

90Volts to 264Volts AC, 50/60Hz

EMC

Compliant to EMC directive 2004/108/EC (EN 61326-1)

Safety

Low Voltage directive 2006/95/EC (IEC 600 10-1)

Vibration

MIL-STD-810G Table 514.6C-11, Category common carrier

Dimensions

483mm (W) x 306mm (D) x 89mm (H)

Weight

6.2kg

   

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Unit 1, 49 Gavenlock Road, Tuggerah, NSW Australia 2259
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