编辑同志: 《劳动保护》杂志在第九期刊登了《要正确推广使用触电保安器》一文。其中谈到,在中性点不接地的供电系统中,触电保安器是不起作用的。对此,我有点异议。 在中性点不接地的系统中。当相线因故障与大地接触时,不会象中性点接地系统那样形成一个很大的相一地短路电流, Editorial comrades: “Labor Protection” magazine published in the ninth issue “to properly promote the use of electric shock security” article. It was mentioned that in the neutral ungrounded power supply system, electric shock security device does not work. In this regard, I am a little dissent. In the ungrounded system. When the phase line due to fault contact with the earth, it will not like the neutral grounding system to form a large one short circuit current,