伴隨著機(jī)房的擴(kuò)容，作為備用電源的柴油發(fā)電機(jī)組容量要求越來(lái)越大，需多臺(tái)大功率柴油發(fā)電機(jī)組并網(wǎng)才能滿(mǎn)足負(fù)荷的要求，而且機(jī)房與實(shí)際使用負(fù)載間距離也越來(lái)越遠(yuǎn)，采用傳統(tǒng)的多臺(tái)低壓柴油發(fā)電機(jī)組并聯(lián)運(yùn)行暴露出多項(xiàng)運(yùn)行和傳輸?shù)娜毕?。為了能夠更加安全、可靠地運(yùn)行，采用高壓機(jī)組是一種更好的選擇。
With the expansion of the machine room, the capacity of the diesel generator set as the standby power source is becoming larger and larger. It requires multiple high-power diesel generator sets to be connected to the grid to meet the load requirements. Moreover, the distance between the machine room and the actual load is also getting farther and farther. The traditional parallel operation of multiple low-voltage diesel generator sets exposes many defects in operation and transmission. In order to operate more safely and reliably, it is a better choice to use high voltage units.
高壓機(jī)組應(yīng)用于冶金企業(yè)、機(jī)場(chǎng)、數(shù)據(jù)中心等應(yīng)急備用電源系統(tǒng),因機(jī)組的輸出電壓10kV與原供電系統(tǒng)電壓一致,可直接接入供電系統(tǒng),省去了大筆供配電系統(tǒng)的設(shè)備投資。同時(shí)由于機(jī)組的輸出電壓高，輸出電流小，在動(dòng)力傳輸過(guò)程功率損失小,適合遠(yuǎn)距離輸送。
High-voltage units are used in emergency standby power supply systems such as metallurgical enterprises, airports, data centers, etc. Because the output voltage of the units is 10kV and the voltage of the original power supply system is the same, they can be directly connected to the power supply system, saving a large amount of equipment investment in the power supply and distribution system. At the same time, due to the high output voltage and low output current of the unit, the power loss in the process of power transmission is small, which is suitable for long-distance transmission.
所生產(chǎn)的高壓發(fā)電機(jī)組應(yīng)用于冶金企業(yè)、機(jī)場(chǎng)、數(shù)據(jù)中心等應(yīng)急備用電源系統(tǒng),因機(jī)組的輸出電壓10kV與原供電系統(tǒng)電壓一致,可直接接入供電系統(tǒng),省去了大筆供配電系統(tǒng)的設(shè)備投資。同時(shí)由于機(jī)組的輸出電壓高，輸出電流小，在動(dòng)力傳輸過(guò)程功率損失小, 適合遠(yuǎn)距離輸送。
The high-voltage generator set produced by the company is applied to the emergency standby power supply system of metallurgical enterprises, airports, data centers, etc. Because the output voltage of the unit is 10kV and the voltage of the original power supply system is the same, it can be directly connected to the power supply system, saving a large amount of equipment investment in the power supply and distribution system. At the same time, due to the high output voltage and low output current of the unit, the power loss in the process of power transmission is small, which is suitable for long-distance transmission.
產(chǎn)品特點(diǎn) 二、高壓柴油發(fā)電機(jī)組與低壓柴油發(fā)電機(jī)組分析比較
Product features II. Analysis and comparison of high-pressure diesel generator set and low-pressure diesel generator set
序特點(diǎn)低壓機(jī)組高壓機(jī)組
Sequence characteristics Low voltage unit High voltage unit

1容量可多臺(tái)機(jī)組并聯(lián)運(yùn)行。可多臺(tái)機(jī)組并聯(lián)運(yùn)行，機(jī)房可集中建設(shè)。
1. The capacity can be operated by multiple units in parallel. Multiple units can be operated in parallel, and the machine room can be built in a centralized way.
2輸送距離可短距離輸電可長(zhǎng)距離輸電，
2. The transmission distance can be short distance and long distance,
3損耗在輸配電中線路損耗較大在輸配電中線路損耗較小，不存在輸送發(fā)熱問(wèn)題
3. The line loss in power transmission and distribution is large. The line loss in power transmission and distribution is small, and there is no transmission heating problem
4成本設(shè)備初期投資較少，維護(hù)成本較低，低容量、短距離具有較大優(yōu)勢(shì)，高容量、長(zhǎng)距離使用時(shí)成本將遠(yuǎn)遠(yuǎn)高于高壓機(jī)組設(shè)備初期投資較大，維護(hù)成本較低，對(duì)于大容量、長(zhǎng)距離輸配電具有明顯優(yōu)勢(shì)，配套投資費(fèi)用較低
4. The initial investment of cost equipment is small, the maintenance cost is low, and the low capacity and short distance have great advantages. The cost of high capacity and long distance use will be much higher than the initial investment of high voltage unit equipment, and the maintenance cost is low. It has obvious advantages for large capacity and long distance power transmission and distribution, and the supporting investment cost is low
5操作維護(hù)操作使用較為簡(jiǎn)單，對(duì)操作使用人員要求較低。操作使用較為復(fù)雜，操作使用人員要求較高，必須具有相應(yīng)高壓操作證才能操作。
5 The operation, maintenance and use are relatively simple, and the requirements for operators and users are low. The operation and use are relatively complex, and the requirements for operators and users are relatively high. They must have corresponding high-voltage operation certificates to operate.
6配置配置較為簡(jiǎn)單配置較為復(fù)雜，尤其在發(fā)電機(jī)及輸出配電柜方面。
6. The configuration is relatively simple and complicated, especially in terms of generator and output distribution cabinet.
7安全安全性能較高，技術(shù)較為成熟，技術(shù)門(mén)檻較低安全性能較高，技術(shù)較為成熟，技術(shù)門(mén)檻較高。
7. High safety performance, mature technology, low technical threshold, high safety performance, mature technology, high technical threshold.
8發(fā)展趨勢(shì)小功率段保持傳統(tǒng)市場(chǎng)，大功率段有被高壓系統(tǒng)替代的勢(shì)采用高壓系統(tǒng)為現(xiàn)時(shí)世界趨勢(shì)，需求逐漸增大。三、功率、電壓、電流關(guān)系
8 Development trend The small power segment maintains the traditional market, and the large power segment has the potential to be replaced by the high voltage system. The high voltage system is the current world trend, and the demand is gradually increasing. 3、 Power, voltage and current relationship
P=1.732×U×I×COSΦ
P=1.732 × U × I × COS Φ
現(xiàn)以2000kW機(jī)組為例，功率因素0.8，頻率50Hz 低壓（400V）
Now take 2000kW unit as an example, with power factor of 0.8 and frequency of 50Hz and low voltage (400V)
電流為：I=P/(1.732×U×COSΦ)=2000×103/（1.732×400×0.8）=3609A
Current: I=P/(1.732 × U × COS Φ)= two thousand × 103/（1.732 × four hundred × 0.8）=3609A
高壓（10.5KV）
High voltage (10.5KV)
電流為：I=P/(1.732×U×COSΦ)=2000×103/（1.732×10.5×103×0.8）=137A 高壓輸電電流相當(dāng)于低壓輸電電流的1/26
Current: I=P/(1.732 × U × COS Φ)= two thousand × 103/（1.732 × ten point five × one hundred and three × 0.8)=137A high-voltage transmission current is equivalent to 1/26 of low-voltage transmission current
四、高壓柴油發(fā)電機(jī)組應(yīng)用
4、 Application of high pressure diesel generator set
根據(jù)上述高低壓柴油發(fā)電機(jī)組的應(yīng)用特點(diǎn)，在容量要求較大和送電距離較遠(yuǎn)的應(yīng)用場(chǎng)合，高 壓柴油發(fā)電機(jī)組具有大容量、遠(yuǎn)距離供電，機(jī)房集中建設(shè)、可靠性強(qiáng)、配套配電系統(tǒng)簡(jiǎn)單等明顯優(yōu)點(diǎn)，是大容量機(jī)組選型應(yīng)用的必然趨勢(shì)，高壓柴油發(fā)電機(jī)組已經(jīng)在銀行、數(shù)據(jù)中心、冶金、民航等領(lǐng)域進(jìn)行了大量的應(yīng)用。
According to the above application characteristics of high and low pressure diesel generator sets, in applications with large capacity requirements and long power transmission distance, high pressure diesel generator sets have obvious advantages such as large capacity, long-distance power supply, centralized construction of machine rooms, strong reliability, and simple supporting power distribution system. It is an inevitable trend for the selection and application of large capacity units. High pressure diesel generator sets have been used in banks, data centers, metallurgy A large number of applications have been carried out in civil aviation and other fields.
50Hz高壓柴油發(fā)電機(jī)組主要電壓等級(jí)有：6kV、6.3kV、6.6kV、10kV、10.5kV、11kV等，單臺(tái)機(jī)組功率一般在1000kW以上,多臺(tái)機(jī)組并聯(lián)使用。
The main voltage levels of 50Hz high-voltage diesel generator set are: 6kV, 6.3kV, 6.6kV, 10kV, 10.5kV, 11kV, etc. The power of a single unit is generally more than 1000kW, and multiple units are used in parallel.
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