BY903 Microcomputer Relay Protection Tester (Six Phase)

BY903 Microcomputer Relay Protection Tester (Six Phase)

1、 Overview:

The BY903 microcomputer relay protection tester is used for setting and testing various relay protection device parameters in power plants and substations, with high intelligence and accurate testing.

BY903 Microcomputer Relay Protection Tester (Six Phase)

2、 Detailed description:

Product Introduction

The BY903 microcomputer relay protection tester is used for setting and testing various relay protection device parameters in power plants and substations, with high intelligence and accurate testing. It can simulate amplitude modulation, phase shifting, phase separation independent frequency conversion, polymorphic fault simulation, and superimposed harmonics of 12 current and voltage channels. It has functions such as distortion alarm, recorded data playback output, etc. It is an important testing instrument to ensure the safe operation of power plants, substations, and lines. I'll find the picture for you
The testing software adopts a Windows interface, which is fully functional and user-friendly. It can complete comprehensive testing of various relay protection devices, automatically generate test databases and reports, and is easy to use with illustrations. It is an ideal relay protection testing device for power plants, power supply bureaus, research institutes, related enterprises and other units.

product name

Microcomputer relay protection tester, microcomputer relay protection tester, relay protection tester, three-phase relay protection tester, relay protection tester, six relay protection tester, three-phase relay protection calibrator, relay protection calibrator, three-phase relay protection calibrator, relay protection tester

BY903 Microcomputer Relay Protection Tester (Six Phase)

Product characteristics

The microcomputer relay protection testing system adopts multiple technologies, including advanced Jun digital signal processing technology and communication technology, reflecting the new trend of integration and integration. The main features are as follows:
a. Built in high-performance industrial computer, using embedded industrial system. Its simple system core has stable, reliable and efficient hardware real-time performance, integrated and unified, and can easily complete various complex experimental functions without the need for an external computer. It can also prevent computer virus invasion, and even if files are deleted by mistake, it will not damage the operating system, ensuring system security.
b. Dynamic tracking technology, using high-performance DSP, FPGA, 24 bit DA, and high-precision linear power amplifier technology, outputs high-precision waveforms at 1600 points per cycle. It can quickly, accurately, and flexibly control and respond to various transient waveforms of power system fault models, ensuring the full range of analog output, from DC to 1kHz, and fully guaranteeing the instantaneous change characteristics and high accuracy. It is of great significance for the accuracy of ultra-high voltage relay protection testing work.
c.Extreme toolsThe humanized operation interface design provides a friendly and familiar truly industrialized Windows interface, with a built-in touchpad and keyboard that is as easy to operate as a laptop. The built-in USB interface can be used to upgrade software and exchange data, or to operate with an external mouse or keyboard. It can also work with an external laptop through the Ethernet port.
d. The new testing software is based on the Windows system and uses embedded software development tools. It is fully functional, user-friendly, and easy to use. The underlying hardware control performance is * *, and the multi-layer tree structure of the test template database organization is *. The flexible OFFICE file format test report provides a data foundation for the integration and systematization of the test database and test report management.
e. There are both distinctive, concise, and convenient universal testing and simulation functions, as well as practical and effective relay calibration programs. There are also complete sets of microcomputer protection and automatic device automatic testing programs that provide multiple calibration and search methods. Various fault simulation programs can simulate and replay actual faults, transients, oscillations, and reclosing behaviors on site.
f. Without changing any hardware or software components, 6-phase voltage and 6-phase current can be output simultaneously, and the amplitude, phase, frequency, and DC components of each phase can be independently adjusted at the same time. Constant frequency conversion at 1600 points per week, without any phase shift or sudden changes, ensuring accurate and reliable low cycle load shedding tests; The input channel is independent and has no polarity, and can automatically adapt to various active and passive contacts.
g. The advanced high-precision linear power amplifier technology has comprehensively improved the power amplifier system of the device, and there are also various fault detection and protection functions such as anti misoperation, short circuit, external electric shock, and temperature exceeding, ensuring that the device can work stably and reliably continuously. Equipped with 110V/220V ± 10% independent auxiliary DC power supply. The input channel is independent and has no polarity, and can automatically adapt to various active and passive contacts. The modular design of the entire machine has undergone extensive optimization and process improvements, making it more compact, lightweight, easy to operate, and maintain.

BY903 Microcomputer Relay Protection Tester (Six Phase)

Product parameters

1. AC/DC current source
a. Communication
outputz·uiHigh current (RMS): 30A/phase or 40A/phase, three-phase parallel: 90A or 120A. Six phase parallel: 180A or 240A.

z·uiHigh output power: ≥ 400VA/phase or ≥ 600VA/phase.
Output accuracy: 0.1% (0.2 Max),<1mA (1-200mA).
Output frequency: 0-1KHz.
Amplitude frequency characteristics: amplitude variation within the range of 10-1000Hz is ≤± 1.5%.
b. Direct current
outputz·uiHigh current: 0-15A/phase or 0-20A/phase, three-phase parallel: 45A or 60A.
z·uiHigh output power: 200W or 250W continuous operation.
Output accuracy: 0.5%.
c. Other
Resolution: 1mA.
Three or six current sources with a shared neutral point.
The output current amplitude, frequency, and phase of each phase are independently adjusted.
The rise and fall time of the current is less than 100 µ S.
Automatic detection and protection for open circuit, overheating, overload, and distortion.
2. AC/DC voltage source
a. Communication
outputz·uiHigh voltage (RMS): 125V/phase, series connection of two phases: 0-250V.
outputz·uiHigh power (rated voltage): ≥ 75VA/phase.
Output accuracy: 0.1% (0.5-125V).
Output frequency: 0-1KHz.
Amplitude frequency characteristics: amplitude variation within the range of 10-1000Hz is ≤± 1.5%.
The fourth voltage can be set as zero sequence voltage or any other setting.
b. Direct current
outputz·uiHigh voltage: 0-150V/phase, two-phase series: 0-300V.
outputz·uiHigh power: 100W continuous operation.
Output accuracy: 0.5%.
c. Other
Resolution: 1mA.
Three or six voltage sources with a shared neutral point.
The amplitude, frequency, and phase of each phase's output voltage are independently adjusted.
The voltage rise and fall time is less than 100 µ S.
Automatic detection and protection for short circuit, overheating, overload, and distortion.
3. Phase
Phase angle range: 0 ° to 360 °.
Phase angle resolution: 0.001 °.
Phase angle accuracy: ± 0.2 °.
4. Frequency
Frequency range: 0-1000Hz.
Frequency accuracy: * Deviation ≤ 2mHz.
Resolution: 1mHz.
Can superimpose harmonics and direct current of any amplitude from 2 to 20 times.
5. Synchronization
Voltage and current synchronicity ≤ 100 μ S.
6. Requirements for input volume and time measurement
8 pairs of independent non-polar input terminals, with empty contacts or 0-250V potential.
The timer range is 1mS-9999.999S.
Resolution: 1mS.
7. Open quantity
4 sets of programmable auxiliary air contacts.
Contact capacity: 0-250V, 0.5A.
8. Independent auxiliary DC power supply
DC 110V/220V ± 10% independent auxiliary DC power supply.
Capacity: 100W for continuous operation.
Short circuit and overload protection.
9. Input power supply
AC220V±15%，50HZ，10A（Max）
10. Other
The device is equipped with an industrial control computer, which can independently perform all testing functions without the need for an external computer
Test software with built-in Windows operating interface;
Equipped with a large color LCD screen, providing touchpad and keyboard operation;
Provide USB interface, which can be operated by external keyboard and mouse, and can also exchange data and upgrade software through USB flash drive;
The device is equipped with network communication interfaces and can also be connected to an external computer to achieve various testing functions.

BY903 Microcomputer Relay Protection Tester (Six Phase)