描述

140CRP93100 變頻器箱體結(jié)構(gòu)的選用

變頻器箱體結(jié)構(gòu)的選用
變頻器的箱體結(jié)構(gòu)要與環(huán)境條件相適應(yīng)，即必須考慮溫度、濕度、粉塵、酸堿度、腐蝕性氣體等因素。常見有下列幾種結(jié)構(gòu)類型可供用戶選用：
1）敞開型IPOO型本身無機(jī)箱，適用裝在電控箱內(nèi)或電氣室內(nèi)的屏、盤、架上，尤其是多臺變頻器集中使用時，選用這種型式較好，但環(huán)境條件要求較高；
2）封閉型IP20型適用一般用途，可有少量粉塵或少許溫度、濕度的場合；
3）密封型IP45型適用工業(yè)現(xiàn)場條件較差的環(huán)境；
4）密閉型IP65型適用環(huán)境條件差，有水、塵及一定腐蝕性氣體的場合 。
變頻器容量的確定
合理的容量選擇本身就是一種節(jié)能降耗措施。根據(jù)現(xiàn)有資料和經(jīng)驗，比較簡便的方法有三種：
1）電機(jī)實際功率確定發(fā)。首先測定電機(jī)的實際功率，以此來選用變頻器的容量。
2）公式法。當(dāng)一臺變頻器用于多臺電機(jī)時，應(yīng)滿足：至少要考慮一臺電動機(jī)啟動電流的影響，以避免變頻器過流跳閘。

140CRP93100 變頻器箱體結(jié)構(gòu)的選用

Selection of inverter box structure
The box structure of the inverter should be adapted to the environmental conditions, that is, temperature, humidity, dust, pH, corrosive gas and other factors must be considered. There are several common structure types for users to choose from:
1) Open type IPOO itself has no chassis, suitable for installation in the electric control box or in the electrical room of the screen, disk, rack, especially when multiple frequency converters are used, the choice of this type is better, but the environmental conditions are higher;
2) Closed IP20 type is suitable for general use, can have a small amount of dust or a little temperature, humidity occasions;
3) Sealed IP45 is suitable for poor industrial site conditions;
4) Closed type IP65 is suitable for poor environmental conditions, water, dust and certain corrosive gases.
Determination of frequency converter capacity
Reasonable capacity selection itself is a measure of energy saving and consumption reduction. According to the available information and experience, there are three simple methods:
1) The actual power of the motor is determined. First determine the actual power of the motor, in order to choose the capacity of the inverter.
2) Formula method. When a frequency converter is used for multiple motors, it should meet the following requirements: The influence of starting current of at least one motor should be considered to avoid overcurrent tripping of the frequency converter.

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Company Introduction:
Chengdu Sunshine Xihe Co., Ltd. specializes in one-stop procurement consulting for imported industrial spare parts, offering original equipment and professional discontinued parts services. We are committed to providing efficient and reliable automation solutions for our customers. Customer support fast responseThe network of partners spans all continentsGlobal partner networkAlways achieve more delivery, be it parts, service or speed



始終實現(xiàn)更多的交付，無論是零件、服務(wù)還是速度