BFY-10A系列负序电压继电器产品介绍
BFY-10A系列负序电压继电器是一款专为电力系统保护设计的高性能监测装置，可有效识别电网中的电压不平衡状态，为发电机、电动机、变压器等重要设备提供可靠保护。该产品采用模块化设计和数字化处理技术，能够快速响应系统异常，适用于各类电压等级的输配电网络。
核心功能与应用场景
本产品通过实时采集三相电压信号，精准计算负序电压分量。当电网出现相序异常、断相故障或负载分配失衡时，装置能在设定阈值内快速启动保护动作，防止设备因长期处于非对称运行状态导致过热损坏。典型应用包括：发电厂并网保护系统、轨道交通供电网络、工业自动化配电柜及新能源电站的电压监测节点，特别适用于存在旋转电机负荷的电力场景。
技术特点与操作优势
装置配备高精度信号采集模块，支持宽范围电压输入（57V-120V），具备自适应环境温度变化的补偿功能。人性化的人机界面提供直观的参数设置窗口，通过旋转编码器和液晶显示屏可实现动作值、延时时间等关键参数的无级调节。嵌入式逻辑处理单元支持多种输出模式配置，可灵活对接不同控制系统的信号传输需求。
产品设计充分考虑现场使用需求，采用防尘抗震的工业级壳体结构，所有接线端子均配置透明防护罩。优化的电磁兼容设计显著提升装置在复杂电磁环境中的测量稳定性，特殊滤波算法可有效抑制谐波干扰对检测精度的影响。
适用环境与服务保障
产品工作温度覆盖-25℃至+70℃环境，适用于湿度≤85%且无腐蚀性气体的户内外安装场景。我们提供专业的技术支持团队和完善的售后服务体系，可根据用户需求定制功能模块，确保装置与各类电力自动化系统实现无缝对接。
BFY-10A Series Negative Sequence Voltage Relay Introduction
The BFY-10A series negative sequence voltage relay is a high-performance monitoring device specifically developed for power system protection. Capable of detecting voltage imbalance conditions in electrical networks, it provides reliable safeguarding for critical equipment including generators, motors and transformers. Incorporating modular design and digital processing technology, the device ensures rapid response to system anomalies, making it suitable for transmission and distribution networks across various voltage levels.
Core Functionality & Applications
By continuously monitoring three-phase voltage signals, the relay accurately calculates negative sequence components. It initiates protective actions within preset thresholds when detecting phase sequence errors, phase failure or load imbalance, effectively preventing equipment damage caused by prolonged asymmetric operation. Typical applications encompass: grid-connected protection systems in power plants, traction power supply networks, industrial automation switchgear, and voltage monitoring nodes in renewable energy plants. The device demonstrates particular effectiveness in power systems with rotating machinery loads.
Technical Features & Operational Advantages
Equipped with precision signal acquisition modules, the device supports wide voltage input range (57V-120V) and incorporates temperature-compensation capabilities. The user-friendly interface features intuitive parameter configuration through rotary encoder and LCD display, enabling stepless adjustment of critical settings including operating values and time delays. The embedded logic processing unit supports multiple output modes for flexible integration with diverse control systems.
The product emphasizes practical installation requirements with dustproof and shock-resistant industrial housing. Transparent protective covers are provided for all terminals. Enhanced electromagnetic compatibility design ensures measurement stability in complex electromagnetic environments, while specialized filtering algorithms effectively suppress harmonic interference.
Environmental Adaptability & Service Support
Operating within -25℃ to +70℃ temperature range, the relay is suitable for indoor/outdoor installation where relative humidity ≤85% and no corrosive gases exist. Our professional technical team and comprehensive service network offer customized module development to ensure seamless integration with various power automation systems.
