描述
产品细节说明:SPAJ140C ABB 组合式过电流和接地故障继电器
SPAJ140C是ABB公司生产的一款功能强大、高度集成、灵活配置的组合式过电流和接地故障继电器。它广泛应用于电力系统中的短路和接地故障保护,具有高度的可靠性和稳定性。对于需要高效、可靠的电力保护解决方案的用户来说,SPAJ140C无疑是一个理想的选择。
- 过流保护功能:
- 三相低设置相位过流装置,具有定时或反定最小时间(IDMT)特性。
- 三相高整定相位过流装置,具有瞬时或定时特性。
- 检测到故障时,会根据应用要求和继电器配置启动、跳闸断路器、提供报警信号、记录故障数据等。
- 接地故障保护功能:
- 低电平接地故障装置,具有定时或反定最小时间(IDMT)特性。
- 高电平接地故障单元,具有瞬时或确定时间操作功能。
- 当接地故障电流超过设定值时,会启动并发出启动信号,进行接地故障保护。
- 其他功能:
- 内置断路器故障保护。
- 两个重载继电器和四个信号输出继电器,输出继电器矩阵可将保护级的启动或跳闸信号路由至所需的输出继电器。
- 本地显示测量值、设定值和故障时记录的数据。
- 自我监控系统可持续监控电子设备和微处理器的运行情况。
产品详情参数 :SPAJ140C ABB 组合式过电流和接地故障继电器
- 高度集成:集成了过流保护和接地故障保护功能,减少了设备数量和占地面积。
- 灵活配置:可根据应用需求进行灵活配置,满足不同场合的保护要求。
- 高可靠性:采用先进的微处理器技术和强大的软件支持,确保继电器的高可靠性和稳定性。
- 易于维护:通过本地显示屏和前面板按钮或上级系统的串行接口和光纤总线读写设定值,方便用户进行参数设置和故障诊断。
SPAJ140C ABB 备应用领域:
SPAJ140C组合式过电流和接地故障继电器广泛应用于固体接地、电阻接地或阻抗接地电力系统中的径向馈线进行选择性短路和接地故障保护。同时,它还可用于需要单相、两相或三相过流保护的其他应用场合。
Product details: SPAJ140C ABB combination overcurrent and ground fault relay
SPAJ140C is a powerful, highly integrated, and flexible combination overcurrent and ground fault relay produced by ABB. It is widely used for short-circuit and ground fault protection in power systems, with high reliability and stability. For users who need efficient and reliable power protection solutions, SPAJ140C is undoubtedly an ideal choice.
Overcurrent protection function:
A three-phase low setting phase overcurrent device with timed or inverse minimum time (IDMT) characteristics.
A three-phase high setting phase overcurrent device with instantaneous or timed characteristics.
When a fault is detected, it will start, trip the circuit breaker, provide alarm signals, and record fault data according to application requirements and relay configuration.
Ground fault protection function:
Low level grounding fault device with timed or inverse minimum time (IDMT) characteristics.
High level grounding fault unit with instantaneous or definite time operation function.
When the ground fault current exceeds the set value, it will start and send a start signal for ground fault protection.
Other features:
Built in circuit breaker fault protection.
Two overload relays and four signal output relays, the output relay matrix can route the start or trip signals of the protection level to the required output relays.
Local display of measured values, set values, and data recorded during faults.
The self-monitoring system can continuously monitor the operation of electronic devices and microprocessors.
Product details and parameters: SPAJ140C ABB combination overcurrent and ground fault relay
Highly integrated: It integrates overcurrent protection and ground fault protection functions, reducing the number of devices and footprint.
Flexible configuration: It can be flexibly configured according to application requirements to meet protection requirements in different situations.
High reliability: Adopting advanced microprocessor technology and powerful software support, ensuring the high reliability and stability of relays.
Easy to maintain: By using the local display screen and front panel buttons or the serial interface of the superior system and fiber optic bus to read and write set values, it is convenient for users to set parameters and diagnose faults.
SPAJ140C ABB backup application areas:
The SPAJ140C combined overcurrent and ground fault relay is widely used for selective short-circuit and ground fault protection of radial feeders in solid grounded, resistance grounded, or impedance grounded power systems. Meanwhile, it can also be used in other applications that require single-phase, two-phase, or three-phase overcurrent protection.
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