配电自动化系统主要由主站系统、数据通讯系统和配电自动化远方终端三部分组成,配电自动化远方终端是自动化系统与一次设备的接口。
Distribution automation system mainly consists of main substation, data communication system and distribution automation remote terminations, the remote termination is the connection port between automation system and primary equipment.
BC2600-I配电自动化远方终端(以下简称FTU)作为配电自动化系统的核心单元,在系统中主要实现的功能是采集就地的交流测量(如电压、电流、功率、电度等)和状态量(如开关位置、储能情况等),以及执行遥控命令(如跳台开关)。
BC2600-I distribution automation remote termination (hereinafter called FTU) as the core unit of distribution automation system, mainly perform the functions of local acquisition of AC measured parameters (such as voltage, current, power, energy and etc) and status parameters (such as the position of breaker, charging status of the operating mechanism), and execute the command from remote control center (such as: tripping the breaker)
FTU可以任选RS232、RS48、电力线载波、光纤(自带光MODEM,可以和光纤直接进行通讯)通讯方式,结合通讯部分,FTU可与SCADA主站通信,完成对配电线路的各种监控功能。
FTU can choose RS232、RS48、power line wave carrier、or optical fiber (optical MODEM self-provided, able to communicate directly with optical fiber), the FTU can connect with SCADA of main substation, and perform the protective and supervision functions on distribution line.
FTU广泛应用于10KV配电线路中,可对负荷开关、分段器、环网联络开关进行监控。
FTU is widely used in the 10KV distribution line, to supervise the load switch, sectionalizer, or interconnection switch of ring main system.
高可靠性:采用公司第三代微机保护硬件的设计原则,采用多种新技术进一步提高硬件可靠性;主CPU采用DSP芯片,对于任何出口信号均采用双重监控,确保出口信号的可靠性;
High reliability: It is our generation III design theory for the microcomputer protection hardware, several new technologies have been used to improve the reliability of hardware, main CPU is DSP chipset, any output signals will be dual supervised, to avoid the errors.
高抗干扰能力:装置与外联系的部分均采用多种信号隔离措施如电磁隔离、光电隔离等,提高了装置的抗干扰能力;
High anti-interference: The parts of device to connect outside adopts several treatment such as electromagnetic isolation, optical isolation and etc, to improve the anti-interference ability.
高智能化:软件中含有多种智能算法,使得本装置能够在其失去通信能力后,延时实现故障隔离、网络重构、自动恢复供电等功能;可存储多达5套定值:采用灵活的下定值方法,方便、可靠;
High intelligence: The software contains several smart calculations, which can still perform fault disconnection, network reconstruction, power supply auto recovery and etc even if the communication function of this device is lost; it can save 5 sets of definite values at maxi, smart lower value definition is used, very convenient and reliable.
高精度:FTU测量部分采用专用测量芯片;保护部分采用高速、高精度的模数转换(A/D):输入信号在45-55Hz之间变化,均可正常实现数据采集功能;
High accuracy: The measurement unit adopts the professional high precise chipset, protection unit used hi-speed, high accurate A/D conversion module, when input signal changing within 45~55Hz, it can perform the data acquisition normally.
高扩展性:FTU的典型配置可按一回或两回出线考虑,可根据用户要求灵活扩展;整个装置还具有功耗低、占地省、安装方便、匹配方式灵活多样,适宜多种运行及环境场所等特点。
High extensibility: The typical configuration of FTU can be based on one or two feeders, and able to extend the outputs according user request, the whole device has such advantages as low power consumption, small size, easy to install, able to cooperate with different switches, suitable for different working sites and etc.
采用综合智能控制方式,同时支持远方集中控制和分布式就地逻辑控制两种控制模式;一方面它可以不依赖于通信系统实现配电自动化功能,另一方面它可以为集中控制方式提供一种后备措施;汲取两种控制方式的优点,利用就地控制的优点弥补远方集中控制在线路故障等特殊情况下的不足,力求达到完善的控制。
Intelligent control mode, support two kinds of control modes: remote central control and local logic control mode; it can perform automatic distribution independent of communication system, also used as backup for central control mode; absorbed the merits of these two control modes, the local control mode remain valid while the communication line from remote control center has fault or other problem.
分布式就地逻辑控制主要包括:电流-时间型、电压-时间型、电流电压-时间型(任选一)。
Local logic control mode covering: current-time type, voltage-time type, current & voltage - time type (you can choose any one)
电流-时间型:速断、延时速断、定时限过流、反时限过流、后加速跳闸、零序速断、零序延时速断、零序定时限过流、零序反时限过流、重合闸(1-3次可选)、低电压、过电压、零序过电压
Current-time type: quick trip, time delayed trip, definite time limit over-current, inverse time limit over-current, later speed-up trip, quick trip under zero-sequence fault, time delayed trip under zero-sequence fault, definite time limit over-current under zero-sequence fault, inverse time limit over-current under zero-sequence fault, reclosing (1~3 cycles), under-voltage tripping, over-voltage tripping, zero-sequence over-voltage tripping.
电压-时间型:T1时限闭锁、两电源闭锁、T3瞬时加压闭锁、T2时限闭锁
Voltage-time type: T1 time limit interlocked, two power sources interlocked, T3 instantaneous increased voltage interlocked, T2 time limit interlocked.
电流电压-时间型:T1时限闭锁、两电源闭锁、T3瞬时加压闭锁、T2时限闭锁(带电流检测)
Current & voltage - time type: T1 time limit interlocked, two power sources interlocked, T3 instantaneous increased voltage interlocked, T2 time limit interlocked (with current detection function).
注:分项功能详见说明书
Note: The function of each item refers to the operation manual.