Woodward 9905-710 数字同步器 频率微调器功能
【产品详情】
型号 9905-710 属于伍德沃德基于微处理器的数字同步器和负载控制系列，用于并联、同步、加载和卸载三相交流发电机组。该型号具有功率因数控制和过程控制功能，因为它是伍德沃德系列中完整的升级级别控制器之一。
9905-710 DSLC 的一些负载控制功能包括：
频率微调器功能，用于同步负载分配系统中的精确频率控制
简单的负载下降操作可在并行总线应用中提供安全操作
具有独立拾取和压降点的可调负载开关输出
负载升高和降低输入以在同步前调整速度
电压升高和降低输入以在同步前调整电压
9905-710 设计用于伍德沃德速度控制器（或其他兼容设备）和自动电压调节器。该装置具有三相真有效值功率检测，即使在电压波动和相位负载不平衡的情况下也能确保精度。它的额定输入电压为 240 Vac，速度偏置为 1-5 Vdc。
9905-710 的其他环境规格包括：
湿度 - 95% at 38 °C
机械冲击 - US MIL-STD 810C，方法 516.2，程序 I、II、V
电磁敏感度 - ANSI/IEEE C37.90.2;标准：ANSI C37.90.1-1989
振动 - US MIL-STD 167，I 型
Woodward 9905-710 数字同步器 频率微调器功能
【英文介绍】
Model 9905-710 belongs to Woodward's family of microprocessor-based digital synchronizers and load controls for parallel, synchronous, load and unload three-phase AC generator sets. This model has power factor control and process control capabilities as it is one of the complete upgrade-level controllers in the Woodward family.
Some of the load control features of the 9905-710 DSLC include:
Frequency trimmer function for precise frequency control in synchronous load distribution systems
Simple load drop operations provide safe operation in parallel bus applications
Adjustable load switch output with independent pick up and pressure drop points
Load raises and lowers input to adjust speed before synchronization
Voltage increases and decreases the input to adjust the voltage before synchronization
The 9905-710 is designed for use with Woodward speed controllers (or other compatible devices) and automatic voltage regulators. The device has three-phase true RMS power detection, which ensures accuracy even in the case of voltage fluctuations and phase load imbalance. It has a rated input voltage of 240 Vac and a speed bias of 1-5 Vdc.
Other environmental specifications for the 9905-710 include:
Humidity - 95% at 38 °C
Mechanical shock - US MIL-STD 810C, Method 516.2, Procedures I, II, V
Electromagnetic sensitivity - ANSI/IEEE C37.90.2; Standard: ANSI C37.90.1-1989
Vibration - US MIL-STD 167, type I
Woodward 9905-710 数字同步器 频率微调器功能
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