PROSOFT MV146-MNET电源工控模块

产品详情资料
 PROSOFT MV146-MNET特征：•比较两组电压输入（线路1、线路2）的电压幅值•单相或三相电压测量•低电压组的信号发送•评估三相功能和逻辑or连接的每相电压差，以决定跳闸•可变跳闸和复位延迟•抑制直流分量•谐波抑制图7跳闸特性电压比较（显示为相位R和设置值volt.diff=0.2•UN）设置：电压差0.1至0.5 UN，步长0.05 UN跳闸延迟0.00至1.0 s，步长0.01 s复位延迟0.1至2.0 s，步幅0.01 s相数1或3大无延迟跳闸时间≤50 ms U1R:U2R:R相电压幅值电压通道1（线路1）R相电压幅度电压通道2（线路2）用于三相功能：该特性对S和T相数字发电机保护REG216/REG216 Classic 1MRB520004 Ben第20页技术数据（续）ABB Switzerland Ltd电力技术系统表26：死机保护（51，27）有效特点：•发电机意外通电时快速脱离网络（例如，在静止或盘车装置上）•瞬时过电流测量•电压控制过电流功能，例如，在电压值>0.85 UN时闭锁。该功能不存在于库中，必须结合电压、电流和时间功能设置：电压0.01至2 UN，步长0.002 UN；重置延迟0至60 s，步长0.01 s；电流0.02至20 in，步长0.02 in；延迟0.02至60秒，步长0.01s；表27：100%定子接地故障保护（64 s）特征：•保护整个定子绕组，包括星点，即使在静止状态下也是如此。也适用于大多数操作条件。•当保护区内有2个接地（接地）时也适用•持续监测定子绝缘水平•根据接地（地）电压位移原理和接地（地面）故障电阻的计算•分别输入报警和跳闸值。以k为单位测量和显示Ω • 接地类型（接地）：-带电阻器的星点接地（需要REX011）-带接地变压器的星点地线（需要REX011-1）-发电机端子上的接地变压器（需要REX 011-2）设置：报警阶段100Ω 至20 kΩ 延时0.2秒至60秒跳闸阶段100Ω 至20 kΩ 延迟0.2秒至60秒RES 400Ω 至5 kΩ 星点数量2 RES-2.星点900Ω 至30 kΩ 设置值的重置率为110%≤10公里Ω 设置值>10k时为120%Ω 精度0.1 kΩ 至10 kΩ: <±10%0至100Ω, 10公里Ω 至20 kΩ: <±20%启动时间1.5 s功能要求：-大接地电流I0<20 A（建议I0=5A）-定子接地容量0.5µF至6µF-定子接地电阻RPS 75Ω 至500Ω - 定子接地电阻RES 250Ω 至5 kΩ (≥4.5 x RPS）（所有值均基于星点侧）必须根据操作说明计算实际接地电阻RES+RPS：100%定子接地故障保护功能始终需要REX010型注入装置、REX011型注入变压器组和95%定子接地错误保护功能。Features: • Comparing of the voltage amplitudes of two groups of voltage inputs (line 1, line 2) • Single- or three-phase voltage measurement • Signalling of the group having the lower voltage • Evaluation of the voltage differences per phase for the 3-phase function and logic OR connection for the tripping decision • Variable tripping and reset delay • Suppression of DC components • Suppression of harmonics Fig. 7 Tripping characteristic Voltage comparison (shown for the phases R and the setting value volt. diff. = 0.2 • UN) Settings: Voltage difference 0.1 to 0.5 UN in steps of 0.05 UN Trip delay 0.00 to 1.0 s in steps of 0.01 s Reset delay 0.1 to 2.0 s in steps of 0.01 s Numbers of phases 1 or 3 Maximum tripping time without delay ≤50 ms U1R: U2R: phase R voltage amplitude voltage channel 1 (line 1) phase R voltage amplitude voltage channel 2 (line 2) For 3-phase function: the characteristic is valid accordingly for the phases S and T Numerical Generator Protection REG216 / REG216 Classic 1MRB520004-Ben Page 20 Technical data (cont´d) ABB Switzerland Ltd Power Technology Systems Table 26: Dead machine protection (51, 27) Features: • Quick separation from network at accidental energization of generator (e.g. at standstill or on turning gear) • Instant overcurrent measurement • Voltage-controlled overcurrent function e.g. blocked at voltage values >0.85 UN This function does not exist in the library, it must be combined from the voltage current and time function Settings: Voltage 0.01 to 2 UN in steps of 0.002 UN Reset delay 0 to 60 s in steps of 0.01 s Current 0.02 to 20 IN in steps of 0.02 IN Delay 0.02 to 60 s in steps of 0.01 s Table 27: 100% Stator earth fault protection (64 S) Features: • Protection of the entire stator winding, including star points, even at standstill. Works also for most of the operating conditions. • Also suitable when 2 earthings (groundings) are in the protection zone • Continuous supervision of the insulation level of the stator • Based on the earth (ground) voltage displacement principle and calculation of the earth (ground) fault resistance • Alarm and tripping values are entered, resp. measured and displayed in kΩ • Type of earthings (groundings): - star point earthing with resistors (requires REX011) - star point earthing with grounding transformer (requires REX011-1) - earthing transformers on generator terminals (requires REX011-2) Settings: Alarm stage 100 Ω to 20 kΩ Delay 0.2 s to 60 s Tripping stage 100 Ω to 20 kΩ Delay 0.2 s to 60 s RES 400 Ω to 5 kΩ Number of star points 2 RES-2. starpoint 900 Ω to 30 kΩ Reset ratio 110% for setting values of ≤10 kΩ 120% for setting values of >10 kΩ Accuracy 0.1 kΩ to 10 kΩ: <±10% 0 to 100 Ω, 10 kΩ to 20 kΩ: <±20% Starting time 1.5 s Functional requirements: - max. earthing current I0 <20 A (recommended I0 = 5A) - stator earthing capacity 0.5 µF to 6 µF - stator earthing resistance RPS 75 Ω to 500 Ω - stator earthing resistance RES 250 Ω to 5 kΩ (≥4.5 x RPS) (All values are based on the starpoint side) The actual earthing resistances RES + RPS have to be calculated in accordance with the Operating Instructions: The 100% stator earth fault protection function always requires an injection unit type REX010, an injection transformer block type REX011 and a 95% stator earth fault protection function.

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●使用前:

在操作和维护，安装设备之前，请阅读并严格遵守安全相关的信息。

Read and strictly follow safety-related information before operatingmaintainingand installing equipment.

●使用者要求:

必须从事安装，组装或维护设备等相关工控电气机械以及其他相关技术的人员。

Must be engaged in the installation,assembly or maintenance of equipment and other related industriacontroeectrica machinery and other related technica personne.应用范围:

应用于品牌本系列工业以及生产生活自动化设备产品。

Used in the brand of this series of industriaand production automation eauipment products

适用于场景:系统集成，非标定制，产线升级改造，原设备电气替换等等。

Suitable for scenarios:system integration,non-standard customizationproduction line upgrading and transformation,electrical replacement of original equipment,etc.

●操作人员:

应该由本品牌专业培训操作员来安装、操作和维修设备。专业人员具有技术能力强，熟悉安全信息和安全实施:

熟悉设备的安装加工、操作和维护:熟悉处理所有的潜在危险情况。

Equipment should be installed,operated and maintained by trained operators from the brand

●危险情况

警告

.请注意使用人员的人身安全。

●除了产品特性以及功能，还需了解产品的使用寿命环境。

●充分学习产品使用手册，否则非专业人员可能会造成人身危险。

Study the product instruction manual thoroughlyotherwise it may cause personal danger to non-professionals.

●服务行业

适用水泥，木业，石业，橡胶，石油，化工，发电，环保，水处理，制冷，交通，钢铁，食品，饮料，船舶，制冷等行业

Applicable to cementwood,stone,rubber,petroleumchemical, power generation,