M-3425A发电机综合保护继电器 PDF资料
1.产 品 资 料 介 绍：
M-3425A 是贝克威斯（Beckwith Electric）公司的一款基于微处理器的发电机综合保护继电器，用于各类发电机的保护、监控和通信。
中间15条特点：
采用32位DSP处理器和非易失性FRAM存储器。
提供多达34种保护功能。
支持失步保护功能。
支持分相差动保护功能。
支持频率累积保护功能。
具备突加电源保护，防止发电机意外带电启动。
支持匝间故障保护和过激磁保护。
可选配定子接地保护和转子接地保护功能。
电流测量精度为±0.5%。
频率测量精度为±0.02Hz。
具备波形录波功能，可存储故障波形数据。
支持四个定值组切换，适应不同运行模式。
通讯接口包括RS-232和RS-485，可选以太网口。
支持Modbus、DNP3.0和IEC 61850等通信协议。
工作温度范围为-40℃至85℃，适应严苛环境。
结尾：
总之，M-3425A 是一款功能全面、可靠性高的发电机保护继电器，适用于电力系统和工业自动化领域。
M-3425A发电机综合保护继电器 英文介绍
M-3425A is a microprocessor based generator comprehensive protection relay from Beckwith Electric, used for the protection, monitoring, and communication of various generators.
The 15 characteristics in the middle:
Adopting a 32-bit DSP processor and non-volatile FRAM memory.
Provides up to 34 protection functions.
Support step loss protection function.
Support phase differential protection function.
Support frequency accumulation protection function.
Equipped with sudden power protection to prevent accidental live start of the generator.
Support inter turn fault protection and overexcitation protection.
Optional stator grounding protection and rotor grounding protection functions.
The accuracy of current measurement is ± 0.5%.
The frequency measurement accuracy is ± 0.02Hz.
Equipped with waveform recording function, it can store fault waveform data.
Support switching between four fixed value groups to adapt to different operating modes.
The communication interface includes RS-232 and RS-485, with an optional Ethernet port.
Supports communication protocols such as Modbus, DNP3.0, and IEC 61850.
The working temperature range is -40 ℃ to 85 ℃, suitable for harsh environments.
Ending
In summary, M-3425A is a comprehensive and highly reliable generator protection relay suitable for power systems and industrial automation fields.
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