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应用于中国农网的配电设备 Equipment applicable in China Rural Networks. 北京电研华源电力技术有限公司. 使用重合器 的优点. 1. 节省变电所的综合投资;. 2. 提高重合闸的成功率;. 3. 缩小停电范围;. 4. 提高操作自动化程度;. 5. 免维护设计. ABB的VR3S型自动重合器 VR3S Recloser. 如今的VR3S型重合器在配网自动化中起着关键的作用 Today Reclosers are key in Distribution Automation 特 点: Features
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应用于中国农网的配电设备 • Equipment applicable in China Rural Networks 北京电研华源电力技术有限公司
使用重合器的优点 1. 节省变电所的综合投资; 2. 提高重合闸的成功率; 3. 缩小停电范围; 4. 提高操作自动化程度; 5. 免维护设计.
ABB的VR3S型自动重合器 VR3S Recloser • 如今的VR3S型重合器在配网自动化中起着关键的作用 • Today Reclosers are key in Distribution Automation • 特 点:Features • 免维护Maintenance Free • 无油且无SF6气体 No oil or SF6 gas • 磁力启动器Magnetic Actuators • 真空灭弧 Vacuum Interruption • 独立的单相操作Independent Phase Operation • 由SCADA通过国际上通用规约进行通讯Communicate via SCADA through open protocols • (电流,功率)方向保护功能Directional Protection • 监视电力参量 Power Quality Monitoring • 故障定位Fault Locator • 保护设定转换 Alternative Protection Settings • 区域顺序的配合 Zone Sequence Coordination
VR3S型三相自动重合器 15-38kV Three Phase Automatic Recloser 规格RATINGS 15 kV 27 kV 38 kV 最大电压Max. Voltage 15.5 27 38 kV 连续电流Cont. Current 560/800 560/800 560/800A 开断电流 Int. Current12/16 12.5/16 12.5/16kA 冲击耐压 BIL 110 125 170kV
极柱 Recloser Poles • 固体绝缘Solid Dielectric • 聚氨酯模制极体Polyurethane molded pole • 已在户外应用中证明过的材料、工序 (超过300,000支)Proven material / Process for outdoor applications (300,000+ installations) • 无油/SF6气体No Oil/SF6 • 无环境污染Environmental concerns • 不需大量维护工作Intensive maintenance • 不需特殊处理Special handling
极柱的结构 Pole Assembling • 永磁及电磁操作 Permanent &electromagnet operation • 分合-分合-分合操作,无延时 OC-OC-OC operation, no delay • 免维护Maintenance free • > 10,000 次操作寿命> 10,000operations without degradation • 直接动作 Direct drive actuation • 极少的可动部分99% fewer moving parts 密封的电流互感器 EncapsulatedCurrent Transformer 铜接柱 Copper studs 真空灭弧室 Vacuum interrupter 拉杆 Pull rod 分闸弹簧 Opening spring 磁力启动器 Magnetic actuator
电流互感器Current Transformer • 变比 600:1 Ratio - 600:1 • 电流范围内精确(12KA时,3个周波后饱和) Accurate over full current range (saturate after 3 cycles at 12kA) • 提供测量 Provides Metering • 用于故障定位 Used to accurately find fault location
动触头 Moving contact 陶瓷外壳 Ceramic enclosure 静触头 Stationary contact 灭弧室Current Interrupter • 最少的维护量 Minimum maintenance • 触头寿命长 Long contact life • 机械和/或负荷操作寿命超过10,000次 Life in excess of 10,000 mechanical and /or load operations • 工业验证过的技术 Industry proven technology • 适合中压设备的开断技术 Preferred interrupting technology for medium voltage apparatus
磁力启动器Magnetic Actuator 结构图 Physical Layout 碳钢材料 Carbon-steel material 永久磁铁 Permanent Magnet 线圈 Coil 非磁性材料Non-magnetic material Opening spring 分闸弹簧
磁力启动器 Magnetic Actuators • 动作速度快 Fast operating speeds 合闸34ms Close 34 ms 分闸12.4msTrip 12.4 ms • 电流脉冲设定80msCurrent pulse set for 80ms • 合闸电流较高 Higher currents required for closing
重合器的优点 Advantage • 磁力启动器Magnetic actuator • 真空灭弧Vacuum interruption • 10,000次机械/负荷操作 10,000 mechanical / load operations • 固体绝缘Solid dielectric • 喷漆的不锈钢壳体Painted stainless steel • 备用的电池组Loss of AC-backup battery • 5年寿命Life: 5 years • 温度补偿充电器Temperature compensated charger • 持续34小时-至少100个分合操作34 hour - minimum (100) O-C operations • 即使电池失效 电容器仍然提供分闸的电容量Capacitor provides trip capability even if battery fails VR3S重合器 RECLOSER 免维护设计Maintenance free design
PCD2000控制器PCD2000 Control • 提供完整的 Provides integrated • 监视Monitoring • 重合器控制Recloser control • 过流保护Overcurrent protection • 自诊断和自检测 Self Diagnostics &Checking • 面板正面安装光纤通讯接口Front mounted optical communication port • 背面备有RS-232和RS-485通讯接口 RS-232 and RS-485 rear communication ports • 可选光纤通讯接口 Optional fiber optic ports
Power Recl Comm CPU PT/CT I/O Supply Gnd ~ + 120-240 Out Va Power 1 ~ + 48 V Out Self Vb 2 Check + Out Out 3 A Vc + + Temp Out Out Sensor 4 B Vn + + 48 V Out Battery C + Com RS-232 plus RS-485, and optional fiberoptic ports Ia In A In B In C + + Ib In 1 + System In 2 Reset + + In 3 Ic + In 4 + + In 5 In + In 6 RS-232 控制器特点PCD2000 Control Features 微处理器 Microprocessor • 可换式插卡结构 Replaceablecards • 可升级 Upgradable • 备有电池充电器 Integrated battery charger • I/O口:标准配置包括6个可编程输入,4个标准输出-或更多 I/O - 6 programmable inputs / 4 outputs standard, more available • 通过RS-232/RS-485口或可选的光纤接口通讯(Modbus, DNP3.0) Communications (Modbus, DNP 3.0) via RS-232/RS-485 or optional fiber optic port • 电流和电压输入 Current and voltage inputs • 继电器级别的电子设备 Relay grade electronics
过流保护功能PCD2000-Overcurrent Protecton Functions • 过流功能 Overcurrent Functions: • 相间(20-1600A跳闸) 接地(10-800A跳闸) • Phase (20-1600 A min. trip) Ground (10-800 A min. trip) • 时间延时曲线Time Delay Curve (51P)时间延时曲线Time Delay Curve (51N) • 快速曲线Fast Curve (50P-1)快速曲线Fast Curve (50N-1) • 定时限Definite time (50P-2)定时限Definite time (50N-2) • 定时限Definite time (50P-3)定时限Definite time (50N-3) • Features:特点 • 可选ANSI,IEC或传统重合器(如R,B)的曲线设定 Selection of ANSI, IEC or conventional recloser (e.g. R,B) curve sets • 多种曲线调整功能:Extensive curve manipulation: Minimum Response Time, Vertical Multiplier, Constant time adder for curves • 可使用3条用户定义曲线,软件已包括Ability to use 3 user defined curves,software included • 三个独立的保护 Independent Protective profiles 3 • 在每条曲线上,选择1至5次重合后闭锁 Select one to 5 shots to lockout on each curve • 可探测3-120A灵敏接地故障SEF Ground fault available (3-120A)
先进的保护功能PCD2000-Advanced Protective Function • 低/过电压控制和报警 • Under/Over Voltage control and alarming* • -用于探测单相状态/熔丝动作 • Very useful for detection of high side fuse operation/ single phasing condition • -也用于环路分段,电压转换 • Also used for loop sectionalizing, voltage transfer • -允许延时减载 Allows time delayed load shedding • 频率过低/过高的控制和报警(单相或3相) • Under/Over Frequency control and alarming* (1phase or 3 phase) • - 可提供更强的减载性能Allows enhanced load shedding capability • 方向性,过流保护 Directional specific overcurrent protection* • -可用于闭环方案 Allows for closed loop schemes • 方向性,能流的控制 Directional specific power flow control* • -在反送条件下,可转换到另一套设定Allows for changing to alternate profile during backfeed condition • * 要求电压输入Requires voltage inputs
数据记录 PCD2000-Data Records • 负荷图Load Profile • 最多可记录160天的数据Up to 160 days of data • 记录有功,无功和每相电压Records kW, kVAR & volts per phase • 运行/故障记录Operation/Fault Records • 128个重合操作128 recloser operations • 灭弧室的故障累计Fault duty accumulator for interrupters • 动作和跳闸记数Operation and trip counters • 故障记录Fault records • 最近32个故障的详细记录(包括延时时间,至故障点的距离)Records detailed fault data for last 32 faults (including relay times, distance to fault) • 最近128个基本故障数据记录 Basic fault data for last 128 faults
数据记录PCD2000-Advanced Data Records • 示波记录Oscillographic capture • 分析过去故障波形的有效工具 Valuable tool for analyzing post fault waveforms • 记录每相64个周波的电流和电压Records total of 64 cycles per phase currentsand voltages 8 distinct events • ANSI/IEEE 1159标准的电力质量记录 • Power Quality records per ANSI/IEEE 1159 Standard • 找出电力质量问题的有效工具 Very powerful tool for pinpointing source of power quality problems • 记录电压下降、上升全谐波失真,全部需要的失真 Records voltage sags, swells, Total Harmonic Distortion, Total Demand Distortion • 可用ANSI建议的电压/持续临界值,也可由用户定义 Can use ANSI recommended voltage/duration thresholds or can be user specified • 可保持256个记录Holds up to 256 records
通迅特点 PCD2000 Communication Features • 国际通用规约,DNP3.0,Modbus ASCII&RTU Open protocols, DNP3.0, Modbus ASCII & RTU • 标准RS232,RS485口,可编程I/O口及光纤接口是可选的 Standard RS232, RS485, programmable I/O and optical port. Fiber port is optional • 光纤接口非常卓越,全面革新的信号,防止信号衰减 Fiber port is unsurpassed, fully regenerates signal, preventing signal attenuation • PCD2000,WinPCD软件具备拨号能力及扩大的控制界面 Software for the PCD2000, WinPCD, has dial up capability and an extensive control interface • 控制箱内有足够的空间放置无线电或调制解调器及一个可选的12V DC电源 Control Cabinet has plenty of room for a radio or modem and a 12 VDC power supply is optional
VR3S型重合器业绩表Reference List