WDZ-460系列综合保护测控装置采样故障分析处理  

Sampling Fault Analysis and Handling of WDZ-460 Series Integrated Protection Measuring and Control Device

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作  者:孔季尼 KONG Ji-ni(Yunnan Huadian Kunming Power Generation Co.,Ltd.,Kunming 650308,China)

机构地区:[1]云南华电昆明发电有限公司,云南昆明650308

出  处:《云南水力发电》2021年第9期115-118,共4页Yunnan Water Power

摘  要:微机继电保护装置在电力系统中使用广泛,其同样可以使用在需要实现监控、继电保护、自动控制等功能的各类设备上。WDZ-460系列综合保护测控装置是一种微机继电保护装置,其使用范围很广,但在长期使用后会出现电量采样故障。这个故障能导致保护装置误动和监控参数及电能计量异常,从而造成不可估量的损失。为了分析故障原因、修复故障装置,结合实际案列对故障原因进行分析,指出故障元件并修复装置,进行实际工况下运行的试验。Microcomputer relay protection device is widely used in power system.It can also be used on all kinds of devices that need monitoring,relay protection,automatic control and other functions.WDZ-460 series integrated protection measurement and control device is a kind of micro-computer relay protection device.It has a wide range of applications,but it will fail to sample power after long-term use.This failure can lead to incorrect protection and monitoring parameters and abnormal energy metering,resulting in immeasurable loss.In order to analyze the cause of the failure and repair the failure device,the cause of the failure is analyzed in combination with the actual case list,the failure components are pointed out and the device is repaired,and the running tests under the actual working conditions are carried out.

关 键 词:微机继电保护装置 电量采样故障 电能计量异常 误动 

分 类 号:TM774[电气工程—电力系统及自动化]

 

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