High voltage generator set

The high-voltage generator set is powered by high-quality diesel engines at home and abroad, according to the provisions of the national standard "GB2820 industrial frequency diesel generator set general technical conditions", and referring to the "IEC34-|" International Electrotechnical Commission rotating electrical machine standards, matching domestic and foreign high-quality generators The produced high-voltage series generator set. With the development, multiple large-capacity generating units are required to provide backup power. If the traditional 380V generator set is used for power supply, a large amount of power cables and a large amount of cable channel space are required. Moreover, multiple generator sets often cannot solve the problems of their installation location, air intake, exhaust, smoke, and noise reduction in the computer room, and the amount of cable consumption and cable channels are even larger. Therefore, in recent years, the industry has proposed to use a 10kV generator set as a backup power source. Compared with a conventional 380V generator set, it can greatly save power cables, reduce line losses, and save cable channels and civil engineering costs. High voltage generators are mainly divided into 3kV, 6kV and 10kV. These three voltage levels are called medium voltage in the power industry. Relative to the 380V low voltage of the generating set, it can be called high voltage.

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With the development, multiple large-capacity generating units are required to provide backup power. If the traditional 380V generator set is used for power supply, a large amount of power cables and a large amount of cable channel space are required. Moreover, multiple generator sets often cannot solve the problems of their installation location, air intake, exhaust, smoke, and noise reduction in the computer room, and the amount of cable consumption and cable channels are even larger. Therefore, in recent years, the industry has proposed to use a 10kV generator set as a backup power source. Compared with a conventional 380V generator set, it can greatly save power cables, reduce line losses, and save cable channels and civil engineering costs.

High voltage generators are mainly divided into 3kV, 6kV and 10kV. These three voltage levels are called medium voltage in the power industry. With respect to 380V generator low pressure, it may be called high pressure.

Serial number	Compare items	380V generator set	10kV generator set
1	engine	the same	the same
2	engine	380V	10kV, reinforced insulation, increased weight and size
3	Footprint	quite	quite
4	Installation method	the same	the same
5	Rated current	3600A	144A
6	Unit cost	low	Slightly higher than low pressure
7	Power distribution equipment	low	Add PT cabinet and protection, high voltage cabinet
8	Neutral equipment	no	A set of contactor cabinet and resistance cabinet
9	Power transmission distance	Short, need to consider line loss and voltage drop	long
10	Power supply cable or bus	Large current, thick wire diameter, difficult deployment, and high civil engineering cost	Small current, thin wire diameter, easy deployment, low civil construction cost

Phase	Three-phase	Protection class	IP23 or IP54
Wiring	Three-phase three-wire system (Y connection)	cooling method	Fan self-cooling (IC01)
Excitation method	Brushless self-excitation	Work format	Continuous Work System S1
Power factor	0.8	Ambient temperature	≤40°C
Insulation class	F/H	Installation method	IMB3
Regulator BASLER Digital Voltage Regulator DECS100		Excitation power	PMG
Rear cover	Insulated rear cover	Anti-condensation heater	160-630W 220V
Bearing temperature measuring element	One before and after PT100	Winding temperature measurement	6 PT100

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Time of issue:2020-03-12 00:00:00

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