什么是电网配网?

2025-03-15 14:40:00
推荐回答(2个)
回答1:

配电网
配网一般指配电网
电能网络
共2个含义
配电网是由架空线路、电缆、杆塔、配电变压器、隔离开关、无功补偿器及一些附属设施等组成的,在电力网中起重要分配电能作用的网络
配电网按电压等级来分类

可分为高压配电网(35—110KV),中压配电网(6—10KV,苏州有20KV),低压配电网(220/380V);

在负载率较大的特大型城市,220KV电网也有配电功能。

按供电区的功能来分类

可分为城市配电网,农村配电网和工厂配电网等。

在城市电网系统中,主网是指110KV及其以上电压等级的电网,主要起连接区域高压(220KV及以上)电网的作用

配电网是指35KV及其以下电压等级的电网,作用是给城市里各个配电站和各类用电负荷供给电源

配电网一般采用闭环设计、开环运行,其结构呈辐射状。配电线的线径比输电线的小,导致配电网的 较大。由于配电线路的 较大 使得在输电网中常用的这些算法在配电网的潮流计算中其收敛性难以保证。

回答2:

输电网是以高电压或超高压将发电厂、变电所或变电所之间连接起来的送电网络。配电网是直接或降压后将电能送到用户的电网。

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