Wrindu

Fully Automatic Temperature Rise Test Device

The RDTR-CB-7000A is an essential, versatile device for automatic temperature rise testing in high-current electrical debugging. Ideal for HV switchgear and bus ducts, it’s widely used in power, manufacturing, and R&D sectors, operating on a short-time or intermittent basis.
Model: RDTR-CB -7000A

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OVERVIEW

The RDTR-CB-7000A Fully Automatic Temperature Rise Test Device represents a crucial piece of equipment designed for comprehensive automatic thermal testing. It integrates a system for automated temperature increase tests, a step-up transformer, a variable induction voltage controller, and a sophisticated temperature monitoring system. This apparatus is indispensable in sectors where high-current electrical testing is paramount. It serves as a standard tool for evaluating the thermal rise in a variety of high-voltage switchgear and busbar systems. Its application spans power stations, substations, manufacturing and testing facilities for switchgear, electrical equipment factories, as well as research and laboratory settings. It’s tailored for operations that are short-duration or periodically intermittent.

 

CHARACTERISTIC

 

1. The RDTR-CB-7000A incorporates a comprehensive zero-start protection mechanism for initial safety assurance.
2. It allows for independent setting of test durations, complete with a built-in timer alert function for efficient session management.
3. The system is designed to autonomously correct current deviations once initial settings are in place, ensuring testing precision.
4. Advanced computer software provides a detailed and accurate readout of power supply and output currents to a 0.5 resolution.
5. Voltage regulation is electronically managed to control output current, with customizable control precision to suit various testing requirements.
6. Operation is facilitated by an industrial-grade computer, implementing a fully automated intelligent control system that eliminates the need for manual testing procedures.
7. The Temperature Rise Test Device continuously monitors and displays input voltage values and active power in real-time for immediate data analysis.
8. Upon defining the temperature rise range and associated parameters, the device automatically sustains the set output current, equipped with an adjustment feature for current error correction.

ModelRDTR-CB -7000A
1. Device parameters
Rated voltage380V
Rated frequency50Hz
Wire systemThree-phase four-wire insulation system;
Total system power210 kW
Total system current552.6A
System power factorcosΦ=0.8
The system comes with a compensation device
2. Oil-immersed induction voltage regulator
Rated capacity70kVA
Output voltage adjustable range0-420 V
Output current adjustable range0-166.6 A
Voltage regulating modeelectric /manual
Waveform distortion rate≤ 3%
Starting voltage≤ 1%
Short circuit impedance≤ 7% (within the voltage regulation range of 50% to 100%)
The power loss is less than 1% and the efficiency is greater than 98%.
3. Dry-type converter transformer
Rated capacity70kVA
Output line voltage10V
Output current0-7000A
No-load loss<4%
Rated input voltage380V
Rated input current184.2A
Rated output voltage10V
Rated output current7000A
Short circuit impedance≤5% at 0-7000A
Output modeindependent output for each phase
Cooling methoddry, air cooling
Running timelong-term operation at rated voltage and rated current.
4. Console
With zero starting protection function
The test time can be set independently and has a reminder function
After the current is set, deviations can be automatically adjusted separately
The power supply and output current are displayed by computer software with an accuracy of 0.5 levels
Electrically control the voltage rise and fall to achieve output current control, with optional control accuracy
Industrial grade industrial computer control. A fully automatic intelligent control system, no manual intervention required for testing
The system comes with an input voltage value and displays active power in real-time
After setting the temperature rise range and parameters, the device automatically maintains the output current value. It has the function of adjusting the current error
It has 40 channels of temperature monitoring, measurement, and recording functions, and can automatically test the ambient temperature, compare the temperature of the test point to form a temperature rise, and automatically alarm when the set temperature is exceeded. The temperature and temperature rise value at any point can be retrieved, with a measurement error of ± 1%
The console shell is made of a 2mm cold-rolled steel plate, the bottom plate is thickened, and the whole is solid and solid. Both the inside and outside have been rust-removed and anti-rust treated, electrostatically sprayed, and the color is blue and camel gray
The console sets power, start, and zero indicator lights in yellow, red, and green colors respectively
The accuracy level of the current transformer is 0.5
The console is equipped with a cabinet door for easy opening and equipment maintenance.
5. Insulating properties
The insulation resistance between the live parts of different poles of the fully automatic temperature rise test device circuit, and between the live parts of each circuit and the ground, when the ambient temperature is +25°C and the humidity is 45% to 75%, is ≥100MΩ.
6. Environmental conditions
Ambient temperature-15℃~+50℃
Relative humidity≤90%
Altitude≤1000m

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