低压电抗器有哪些保护？
["\u7b54\uff1a1) \u4f4e\u538b\u5e76\u8054\u7535\u6297\u5668\u4fdd\u62a4\u5355\u5957\u914d\u7f6e\uff0c\u7535\u6c14\u91cf\u4fdd\u62a4\u4e00\u822c\u5177\u5907\u8fc7\u6d41\u3001\u6b20\u538b\u3001\u8fc7\u8d1f\u8377\u7b49\u529f\u80fd\u30022) \u6cb9\u6d78\u5f0f\u7535\u6297\u5668\u4fdd\u62a4\u8fd8\u914d\u5907\u6709\u975e\u7535\u91cf\u4fdd\u62a4\uff0c\u5305\u62ec\uff1a\u91cd\u74e6\u65af\u3001\u538b\u529b\u91ca\u653e\u3001\u8f7b\u74e6\u65af\u3001\u7ed5\u7ec4\u6e29\u9ad8\u3001\u6cb9\u6e29\u9ad8\u3001\u6cb9\u4f4d\u5f02\u5e38\u7b49\u529f\u80fd\u3002\u975e\u7535\u91cf\u4fdd\u62a4\u4e2d\u4e00\u822c\u91cd\u74e6\u65af\u6295\u8df3\u95f8\uff0c\u5176\u4f59\u5747\u53d1\u4fe1\u53f7\u3002"]