GE UR8AH是一款由通用电气(GE)生产的CT/VT(电流/电压互感器)模块,主要用于安装在通用继电器中,为系统提供电力数据的采集和隔离功能。以下是关于GE UR8AH的详细信息和特点:
1. **产品概述**:
- GE UR8AH是一款CT/VT模块,设计用于安装在通用继电器中,作为系统的替换或升级部件。
- 它为继电器提供3 1A/5A相电流互感器、1A/5A接地电流互感器和四个电压互感器端子。
2. **功能特点**:
- **数据采集**:该模块能够采集电力系统的3-1A/5A相位电流和1/5A接地电流数据,为继电器提供必要的电力信息。
- **系统隔离**:电流互感器能够将系统与ji电流和电压隔离,提高系统的稳定性和安全性,延长系统寿命并降低维护成本。
- **标准化输出**:模块提供标准化的输出电压,无需额外的辅助保护设备,简化了系统设计和配置。
- **用户安全**:电压互感器提高了用户的安全性,能够可靠地测量电力系统电压。
- **灵活性**:CT/VT设置可以高度修改,以适应不同的保护需求,增加模块的多功能性。保护方案包括差动保护、并发分相保护等。
- **诊断功能**:部分版本的UR8AH具有增强的诊断功能,能够验证模拟信号的完整性,采用先进的算法来保证可靠性。
3. **软件支持**:
- 每个继电器都包含管理软件,允许操作员管理可编程设定点和设定点文件。
- 软件也提供对固件的访问,以保持zui新版本。固件版本可能会影响CT/VT模块和CPU的兼容性。
4. **兼容性**:
- 使用4.0x及更高版本的固件,可以实现与UR8AH模块和新的CPU的硬件兼容性。
- 旧版本的CPU和CT/VT模块与3.5x或更旧版本的固件兼容。
请注意,以上信息是基于当前可获取的资料整理的,具体的技术规格、价格和供应情况可能因时间、地区和产品版本而有所不同。建议在购买前与供应商联系以获取zui新和zui准确的信息。
The GE UR8AH is a CT/VT (Current/Voltage Transformer) module manufactured by General Electric (GE), which is mainly used to be installed in general purpose relays to provide power data collection and isolation for the system. The following are detailed information and features about the GE UR8AH:
1. **Product Overview**:
- The GE UR8AH is a CT/VT module designed to be installed in general purpose relays as a replacement or upgrade component for the system.
- It provides the relay with 3 1A/5A phase current transformers, 1A/5A ground current transformer and four voltage transformer terminals.
2. **Functional Features**:
- **Data Acquisition**: the module is capable of acquiring 3-1A/5A phase current and 1/5A ground current data from the power system to provide the necessary power information for the relay.
- **System Isolation**: The current transformer is able to isolate the system from extreme currents and voltages, increasing system stability and safety, extending system life and reducing maintenance costs.
- **Standardised Output**: Modules provide standardised output voltages, eliminating the need for additional auxiliary protection devices and simplifying system design and configuration.
- **User safety**: Voltage transformers improve user safety by reliably measuring power system voltages.
- **Flexibility**: CT/VT settings can be highly modified to suit different protection needs, increasing the module's versatility. Protection schemes include differential protection, concurrent phase splitting protection, etc.
- **Diagnostic Functions**: Some versions of the UR8AH have enhanced diagnostic functions that verify the integrity of analogue signals, using advanced algorithms to ensure reliability.
3. **Software support**:
- Management software is included with each relay, allowing the operator to manage programmable setpoints and setpoint files.
- The software also provides access to the firmware to maintain the latest version. Firmware versions may affect CT/VT module and CPU compatibility.
4. **Compatibility**:
- Hardware compatibility with UR8AH modules and newer CPUs is possible with firmware versions 4.0x and higher.
- Older versions of CPUs and CT/VT modules are compatible with firmware version 3.5x or older.
5. **Price and Availability**:
- Prices vary by supplier and quantity purchased. Some suppliers quote prices in the thousands to tens of thousands of dollars for starting quantities of 1.
- Suppliers may include Xiamen Controller Automation Technology Co.
Please note that the above information is compiled based on currently available information. Specific technical specifications, pricing and availability may vary by time, region and product version. It is recommended that you contact the supplier for the most current and accurate information prior to purchase.
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