廣州市朝德機電設備有限公司

：
：鄭杰克、向
： novosor     : www.novosor.com
地址：廣州市越秀區朝天路66號3F

業代理Doble Lemke GmbH 放電裝置分析儀

系列：

PARTIAL DISCHARGE

PDS100

The Partial Discharge Surveyor PDS100 provides complete substation PD survey capabilites. By simply walking around the HV apparatus, sources of partial discharges and external intereference can be detected and identified. Routine RFI surveying will assist in locating partial discharge activity while the apparatus is still in service.

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PD SMART

Our digital, highly advanced partial discharge measuring and diagnostic device PD SMART is characterized by its unique compactness and its precise measurements.

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LDS-6 and LDS-6/UHF

For over 10 years, the digital and portable PD measuring and diagnosis device LDS-6 accompany thousands of users around the world. With the help of the various plug-in's, the LDS-6 allows also narrow-band, RIV and UHF partial discharge measurements, besides conventional PD measurements.

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LDP-5

The portable Differential LEMKE PROBE LDP-5 detects and locates dangerous partial discharges in HV equipment. Due to the light-weight construction, the Lemke probe LDP-5 can be used for both on-site inspections and measurements in the laboratory.

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LDA-6

The LDA-6 is used for acoustic localization of partial discharges inside power transformers. The acoustic, multi-channel detection of partial discharges can also be combined with electrical partial discharge measurements.

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LDA-5/S

The PD detector LDA-5/S is used for detection of the ultrasonic sound signal of PD events at a resonance frequency of 40 kHz. Depending on the type of ultrasound receiver, either partial discharges in air （corona） or in HV equipment can be recognized, as for instance in cable systems, power transformers and switchgears （incl. GIS）.

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PARTIAL DISCHARGE MONITORING

PD-GUARD

The PD monitoring system PD-GUARD is especially developed for continous partial discharge monitoring of high voltage equipment, such as generators, motors, power transformers in the conventional range of frequency.

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PD-GUARD/UHF

For the implementation of permant UHF partial discharge measurements, the PD monitoring system PD-GUARD/UHF is used. The PD-GUARD/UHF is especially designed for continous PD monitoring on gas-insulated switchgears （GIS） and cable systems. The decoupling of the partial discharges will be done in the UHF frequency range.

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DISSIPATION & POWER FACTOR

TD-SMART

The digital dissipation and capacitance measuring system TD-SMART is a high-precise, modular acqusition and analysis system for measruing the current and other key characteristics of electrical equipment, including dissipation & power factor as well as capacitance.

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PROTECTION DIAGNOSTICS

F6150

The F6150 Power System Simulator uses state-of-the-art digital signal processing and power amplifiers to deliver a high power, lightweight instrument for all protection testing applications.

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CONTINUOUS ONLINE DIAGNOSTICS

Doble Inligent Diagnostic Device （IDD）

Application: Transformers / Circuit Breakers

Inligent Diagnostic Devices （IDDs）, a family of continuous online diagnostic devices for power system apparatus, are designed to detect incipient problems with bushings/CTs, transformers, and circuit breakers. Now you can safely manage progressive problems and efficiently schedule corrective action. There are three types of IDD instruments: Moisture, Bushings, and Dissolved Gas Analysis

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Doble LCM 500

The Doble LCM500 is a wireless system for condition
monitoring of your metal oxide surge arresters （MOSAs）.
The Leakage Current Monitor （LCM） system measures the
resistive component of continuous leakage current while
the MOSA is in service and will instantly give valuable data
for the assessment of the arrester condition.

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Doble DOMINO

Accurate moisture and temperature data is necessary to determine the condition of electrical apparatus or its insulating liquid. However, the data by itself may not always be sufficient to identify potential problems, especially in transformer systems. Doble developed one of the first analytical techniques for measuring dissolved water in oil and the first online moisture monitor: DOMINO.

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CIRCUIT BREAKER DIAGNOSTICS

Doble TDR900

The TDR900 is a state-of-the-art Circuit Breaker Test System engineered to test all types of circuit breakers. The TDR900 provides efficient and accurate performance measurements for circuit breakers. It performs timing functions for up to four breaks per phase with motion measurements.

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Doble TDR100

The TDR100 Circuit Breaker Test System is a simple, effective way to assess the condition of circuit breakers and switching devices. The TDR100 is a compact unit that provides quick and reliable results.

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SURGE ARRESTERS MONITORING

Doble LCM 500

The Doble LCM500 is a wireless system for condition
monitoring of your metal oxide surge arresters （MOSAs）.
The Leakage Current Monitor （LCM） system measures the
resistive component of continuous leakage current while
the MOSA is in service and will instantly give valuable data
for the assessment of the arrester condition.

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SWEEP FREQUENCY RESPONSE ANALYSIS

DOBLE M5400

The Doble M5400 Sweep Frequency Response Analyzer is used for reliable core and winding diagnosis of your power transformer. Use the M5400 to ensure transformer performance, reduce maintenance costs and increase service life.

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DOBLE M5300

The M5300 Sweep Frequency Response Analyzer performs the same functions as the M5400, but the M5300 has a built-in PC and visual display and comes with a Laptop keyboard.

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INSULATION ANALYSIS

M4100

Diagnostic test system for power apparatus condition assessment.

M2H MCM

Diagnostic test system for power apparatus condition assessment.

OIL/MATERIALS ANALYSIS

DOMINO Moisture Sensors - Permanent-Mount Sensors

The DOMINO sensor measures moisture in oil in terms of ppm and relative saturation （RS）, as well as temperature. It provides continuous, reliable measurement of the water content of electrical insulating liquids and other types of oils.

Determining the moisture in insulating liquids is an essential part of any comprehensive maintenance or diagnostic program.

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DOMINO Ultimate Sampling System （USS）

DOMINO USS is a portable system consisting of either a moisture-in-oil sensor or a moisture-in-gas （dewpoint） sensor, or both. Shipped in a handy carrying case, it provides a fast, convenient way to take high-quality samples.

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DOBLE Materials Laboratory

The Doble Laboratory is fully equipped to perform a wide variety of tests on insulating materials, with more than fifty tests offered on a routine basis. The Doble Laboratory can provide answers and solutions to your problems, based on quality data from a wide scope of testing capabilities and rich experience in apparatus diagnostics.

HV TEST SYSTEMS

Automatic HV Control Unit

This control Unit is designed for fully-automatic control of high voltage test systems.

Following application areas can be served:

  • fixed-frequency AC test transformer system
  • variable-frequency AC resonant test system

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MANUAL HV CONTROL UNIT

Doble-Lemke offers two kinds of manual HV controls for your HV test system:

• Manual Control "LDcontrol" for HV Test Systems with Regulating Transformer （fixed frequency 50/60 Hz）
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• Manual Control "LDcontrol" for HV Test Systems with Resonant Test Set （variable frequency）
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RITHERM / SAW TECHNOLOGY

TEMPERATURE MEASUREMENT 

The SAW sensors allow a potential-free determination of actual temperature values of switchgear, overhead transmission lines and other HV apparatus.

LOAD OPTIMIZATION ON OVERHEAD TRANSMISSION LINES 

RITHERM® now makes exact, continuous and low-cost monitoring of overhead transmission lines possible for the first time.