产品详细资料
负序瞬时过电流7.5.16.1说明本程序验证负序瞬时超电流性能是否与在用设置相匹配。这些元素位于S4元素下 阴性序列OC W1 NEG SEQ INST OC设置菜单。如果继电器设置需要在几倍于额定CT二次值的电流倍数下进行测试,则电流信号的开启时间不要超过几秒钟。7.5.16.2绕组1元件为了确保只有负序瞬时过电流元件操作跳闸继电器(以及逻辑选择的任何其他输出继电器), 禁用除负序瞬时过电流外的所有保护功能。 使用第7-25页图7-9:通用测试设置中的通用测试设置。 将电源连接到端子X=H1和Y=G1,以测试绕组1元件。 根据继电器FlexLogic监控适当的输出继电器™ 设置。7.5.16.3拾取水平 在禁用间隔计时器的情况下,施加电流信号并增加其幅值,直到跳闸继电器和所有选定的辅助继电器工作。 将测量的操作水平与S4元件进行比较 阴性序列OC W1阴性序列 W1 NEG SEQ INST OC PICKUP继电器设置。
Negative-sequence Instantaneous Overcurrent 7.5.16.1 Description This procedure verifies that the negative-sequence instantaneous overcurrent performance matches the in-service settings. These elements are found under the S4 ELEMENTS NEG SEQ OC W1 NEG SEQ INST OC settings menu. If the relay settings require testing at current multiples of several times the rated CT secondary value, do not leave the current signal on for more than a few seconds. 7.5.16.2 Winding 1 element To ensure that only the Negative Sequence Instantaneous Overcurrent element operates the trip relays (and any other output relays selected by the logic), Disable all protection features except Negative Sequence Instantaneous Overcurrent. Use the general test setup in FIGURE 7–9: General test setup on page 7–25. Connect the current supply to terminals X = H1 and Y = G1 to test the Winding 1 element. Monitor the appropriate output relays as per the relay FlexLogic™ settings. 7.5.16.3 Pickup Level With the interval timer disabled, apply the current signal and increase its magnitude until the trip relay and all selected auxiliary relays operate. Compare the measured operating level against the S4 ELEMENTS NEG SEQ OC W1 NEG SEQ INST OC W1 NEG SEQ INST OC PICKUP relay settings.
主营产品简介
专注于DCS、PLC、机器人控制系统、大型伺服四大系统领域。
主营产品各种模块/卡件,控制器,触摸屏,伺服驱动器。
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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