Product Overview
Inter-turn short circuit faults in generator rotors occur frequently during generator operation and are one of the main factors affecting the safe running of the unit. The inter-turn short circuit tester is primarily used to conduct rotor inter-turn short circuit tests on generators, accurately identifying the exact location of the fault in the rotor winding.
Key Features
- User-friendly interface with precise instrument calibration.
- Non-destructive testing ensures safety and does not harm the generator coil.
- Interactive software with graphical display of test results and data for intuitive fault diagnosis.
- Compact and lightweight design for easy portability and use.
- Integrated pulse generation and data acquisition functions compared to traditional mainframes.
- Simple wiring requiring only 3 test leads for detection.
- Accurate fault location with built-in excitation signal and calibration algorithms during rotor winding signal propagation.
- Simplified Chinese software for easy operation and straightforward installation.
Technical Specifications
Excitation Signal
- Power Supply: Lithium battery charger
- Pulse Amplitude Output: 1~12V
- Pulse Frequency: 1kHz~100kHz
- Output Impedance: 10~1000Ω
- No-load Channel Voltage Deviation: ≤30mV at any point
- Output Waveform: Rising edge time ≤ 1μs
- Self-test Function: Built-in rotor simulation circuit enables self-check of the analyzer main unit
Acquisition Module
- Sampling Frequency: 1GHz
- Signal Acquisition Duration: 100μs
- Input Bandwidth: 60MHz
- Resolution: 12-bit
- Number of Channels: 2
Frequently Asked Questions about RSO generator rotor inter-turn short circuit detector
What is the RSO generator rotor inter-turn short circuit detector used for?
The RSO generator rotor inter-turn short circuit detector is designed for detection of inter-turn short circuits in generator and motor rotors. It is deployed in power plant generator maintenance and overhaul, where it gives maintenance teams continuous or periodic visibility of insulation condition so that defects can be identified before they develop into unplanned outages.
When should a rotor inter-turn short circuit test be carried out?
This product is used during generator overhaul, after a suspected rotor fault, or as part of a condition-based maintenance programme. Inter-turn shorts in a rotor winding change the machine’s magnetic balance and can lead to vibration and localised heating; detecting them before they propagate avoids a far more expensive rotor rewind.
Is installation possible without an outage?
In most cases yes. Because the RSO generator rotor inter-turn short circuit detector is installed on the equipment while it remains energised, the work is normally carried out as a live-line operation by qualified personnel following the site safety rules. Where a sensor must be coupled to an earthed screen, bonded connection or gas compartment, a short outage may be required — this is confirmed during the site survey.
Does HUWOR support OEM/ODM and what is the delivery lead time?
Yes. Zhuhai Huawang Technology Co., Ltd. supplies the RSO generator rotor inter-turn short circuit detector under its own brand and also supports OEM/ODM supply, including private labelling, custom firmware functions and integration with the customer’s monitoring platform. Standard units are typically quoted with a lead time confirmed at order stage depending on quantity and configuration; sample and pilot orders are supported.
Applications
The RSO generator rotor inter-turn short circuit detector is used for detection of inter-turn short circuits in generator and motor rotors. Typical installation sites include power plant generator maintenance and overhaul. It is applied both on new assets, where the monitoring function is built into the asset from the start, and on existing assets where it is retrofitted to extend the information available to the maintenance team.
How it works
The instrument converts the physical quantity of interest into an electrical signal, conditions and digitises that signal in the field unit, and passes the result to the monitoring platform or to the operator. Condition assessment relies on the trend rather than on a single reading: the value recorded today is compared with the commissioning value and with the historical series for the same measurement point, and it is the direction and rate of change that indicate whether the asset is degrading.
Installation and commissioning
Installation follows three steps: a site survey to confirm the mounting position, the communication path and the power arrangement; mechanical fitting of the sensor or the use of the instrument on the test point; and finally commissioning, where the readings are verified against a reference and the alarm thresholds are set.
Standards and documentation
Type test reports, calibration certificates and installation documentation are provided with the supply. Where a project requires the equipment to be verified against a specific national or utility standard, the applicable clauses should be stated in the enquiry so that the test scope can be confirmed at quotation stage.
Frequently Asked Questions about RSO generator rotor inter-turn short circuit detector
What is the RSO generator rotor inter-turn short circuit detector used for?
The RSO generator rotor inter-turn short circuit detector is designed for detection of inter-turn short circuits in generator and motor rotors. It is deployed in power plant generator maintenance and overhaul, where it gives maintenance teams continuous or periodic visibility of insulation condition so that defects can be identified before they develop into unplanned outages.
When should a rotor inter-turn short circuit test be carried out?
This product is used during generator overhaul, after a suspected rotor fault, or as part of a condition-based maintenance programme. Inter-turn shorts in a rotor winding change the machine’s magnetic balance and can lead to vibration and localised heating; detecting them before they propagate avoids a far more expensive rotor rewind.
Is installation possible without an outage?
In most cases yes. Because the RSO generator rotor inter-turn short circuit detector is installed on the equipment while it remains energised, the work is normally carried out as a live-line operation by qualified personnel following the site safety rules. Where a sensor must be coupled to an earthed screen, bonded connection or gas compartment, a short outage may be required — this is confirmed during the site survey.
Does HUWOR support OEM/ODM and what is the delivery lead time?
Yes. Zhuhai Huawang Technology Co., Ltd. supplies the RSO generator rotor inter-turn short circuit detector under its own brand and also supports OEM/ODM supply, including private labelling, custom firmware functions and integration with the customer’s monitoring platform. Standard units are typically quoted with a lead time confirmed at order stage depending on quantity and configuration; sample and pilot orders are supported.
Applications
The RSO generator rotor inter-turn short circuit detector is used for detection of inter-turn short circuits in generator and motor rotors. Typical installation sites include power plant generator maintenance and overhaul. It is applied both on new assets, where the monitoring function is built into the asset from the start, and on existing assets where it is retrofitted to extend the information available to the maintenance team.
How it works
The instrument converts the physical quantity of interest into an electrical signal, conditions and digitises that signal in the field unit, and passes the result to the monitoring platform or to the operator. Condition assessment relies on the trend rather than on a single reading: the value recorded today is compared with the commissioning value and with the historical series for the same measurement point, and it is the direction and rate of change that indicate whether the asset is degrading.
Installation and commissioning
Installation follows three steps: a site survey to confirm the mounting position, the communication path and the power arrangement; mechanical fitting of the sensor or the use of the instrument on the test point; and finally commissioning, where the readings are verified against a reference and the alarm thresholds are set.
Standards and documentation
Type test reports, calibration certificates and installation documentation are provided with the supply. Where a project requires the equipment to be verified against a specific national or utility standard, the applicable clauses should be stated in the enquiry so that the test scope can be confirmed at quotation stage.
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