Radisys 061-01001-033工控

产品详细资料
e.这是因为用于计算三角形绕组的电流的物理连接和方程没有改变。变压器铭牌相位关系信息仅适用于规定的相序。可以建议，对于ACB序列，通过将源相A、B和C分别连接到变压器端子A、C和B，可以将相位关系恢复到变压器铭牌上显示的相位关系。这将恢复铭牌上的相移，但会导致继电器内B相和C相的错误识别，因此不建议使用。本手册中提供的所有信息均基于将继电器A、B和C相端子分别连接到电力系统A、B、C相。根据电力变压器标准，给出的变压器类型和相位关系适用于ABC的系统相序。系统相序为ACB的用户必须确定该序列的变压器类型。相位角校正下图显示了我们示例中Y/d30°变压器的内部连接：在平衡条件下，绕组2相电流相量比绕组1的相应相电流相相量滞后30°。CT以Y形排列连接（极性标记指向远离变压器的方向），由于相应的相量不会180°异相，因此无法直接求和相应的相电流以获得零差电流
e. This is because the physical connections and hence the equations used to calculate current for the delta winding have not changed. The transformer nameplate phase relationship information is only correct for a stated phase sequence. It may be suggested that for the ACB sequence the phase relationship can be returned to that shown on the transformer nameplate by connecting source phases A, B and C to transformer terminals A, C, and B respectively. This will restore the nameplate phase shifts but will cause incorrect identification of phases B and C within the relay, and is therefore not recommended. All information presented in this manual is based on connecting the relay phase A, B and C terminals to the power system phases A, B and C respectively. The transformer types and phase relationships presented are for a system phase sequence of ABC, in accordance with the standards for power transformers. Users with a system phase sequence of ACB must determine the transformer type for this sequence.Phase Angle Correction The following diagram shows the internal connections of the Y/d30° transformer of our example:Under balanced conditions, the winding 2 phase current phasors lag the corresponding phase current phasors of winding 1 by 30°. With CTs connected in a wye arrangement (polarity markings pointing away from the transformer), the corresponding phase currents cannot be summed directly to obtain a zero differential current, since corresponding phasors will NOT be 180° out-of-phase
主营产品简介
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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