油流继电器 双浮球油流继电器 QJ 80 6对接点气体继电器 变压器继电器

　　产品用途Product Usage

　　QJ系列气体继电器（以下简称继电器），是油浸式变压器所用的一种保护

　　装置，由于变压器内部故障而使油分解产生气体或造成油流涌动时，使继电器的接点动作，接通zhi定的气体回路，并及时发出信号或自动切断变压器的运行。

　　QJ series gas relay (hereinafter referred to as relay) is a kind of protection used by oil-immersed transformers.

　　When the oil is decomposed to generate gas or cause oil flow to surge due to internal faults of the transformer, the contact of the relay is actuated, the specified gas circuit is turned on, and a signal is issued in time or the operation of the transformer is automatically cut off.

　　工作原理Working principle

　　变压器正常工作时，继电器内是充满变压器油的，如变压器在运行中出现

　　轻微故障，使变压器油分解而产生的气体将聚集在继电器的上部，迫使继电器上浮子下降，当上浮子降至某一限定位置时，磁铁使信号接点接通，发出报警信号。但下浮子不受影响因为一定量的气体是可以通过管道向储油柜流动。但是如果因为渗油造成的变压器油流失，会使油面下降，这时上浮子会下沉，首先会发出报警信号，当液体继续流失，储油柜、管道和瓦斯继电器里面的油会被排空。随着油面的继续下降，下浮子下沉，通过浮子的运动，带动接点接通，切断与变压器连接的所有电源，在大型换流站中3轻3重的瓦斯继电器尤为重要，其中一对轻瓦斯负责跳闸的功能。每一对接点都应该为独立接点，这样可以更有效的区分是变压器哪个部位出现了问题，可以及时的解决问题。

　　When the transformer is working normally, the relay is filled with transformer oil, such as the transformer appears in operation.

　　A slight fault, the gas generated by the decomposition of the transformer oil will accumulate in the upper part of the relay, forcing the float on the relay to fall. When the upper float is lowered to a certain position, the magnet turns the signal contact on and sends an alarm signal. However, the lower float is not affected because a certain amount of gas can flow through the pipeline to the oil conservator. However, if the transformer oil is lost due to oil leakage, the oil level will drop. At this time, the upper float will sink. First, an alarm signal will be issued. When the liquid continues to drain, the oil in the oil conservator, pipeline and gas relay will be discharged. air. As the oil level continues to drop, the lower float sinks, and through the movement of the float, the contact is turned on, and all the power connected to the transformer is cut off.

　　一、

　　1. 使用条件

　　1.conditions of use

　　1.1允许工作温度 -30℃~+95℃

　　1.1 Allowable operating temperature -30 ° C ~ +95 ° C

　　1.2安装方式：安装在变压器油箱或有载分接开关油室与储油柜的连管中间，且继电器的管路轴线应水平，允许通往储油柜的一端稍高，但管路轴线与水平面的斜度不超过4%。

　　1.2 Installation method: Installed in the transformer oil tank or the connection between the oil compartment of the on-load tap-changer and the oil conservator, and the pipeline axis of the relay should be horizontal, allowing the end to the oil conservator to be slightly higher, but the pipeline axis and The slope of the horizontal plane does not exceed 4%.

　　2.技术参数

　　2. Technical parameters

　　2.1额定容量 AC 220V 0.3A COSΦ≤0.6

　　Rated Capacity DC 220V 0.3A S≤5X10 S

　　2.2安装管路通经：Φ25 Φ50 Φ80

　　2.2 installation pipeline through: Φ25 Φ50 Φ80

　　2.3绝缘强度：接点间及出线端子对地2000V 1min

　　2.3 Insulation strength: between the contacts and the outlet terminal to the ground 2000V 1min