Gallery View: Diesel generator upgrades center on better engines, silent types

Chongqing GS Power Co. Ltd's model GSC550G-6697 diesel generator has a prime and standby power and capacity of 500kW/625kVa and 550kW/687.5kVA, respectively. Power factor is 0.8 lagging while rated output voltage and frequency are 230/400V and 50Hz. The unit runs on a Cummins engine, and has a 24VDC electric automatic start, and direct injection ignition and closed water-cooling systems. It also comes with a speed regulation feature. Rated speed is 1,500rpm. The diesel generator's stable voltage and frequency regulation is at ±1 percent while voltage and frequency fluctuation is at ±0.5 percent. Transient voltage regulation ranges from 20 to -15 C while transient frequency regulation is between 10 and -7 C. Stable voltage and frequency times are ≤1 and ≤3s. The 7,000kg 3,800x1,810x2,470mm unit's overload capacity is 110 percent. Compression ratio is 15.5:1. Bore and stroke are 159 and 159mm. The model goes for $53,000 to $54,000.

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The model A-DE69FH diesel generator from Fuzhou APT Power Co. Ltd adopts an F6L912D Deutz engine and an IP23-rated UCI 224 D Stamford alternator. Rated output is 63kVA/50kW at 60Hz while rated voltage is 240V. The 6-cylinder, 4-stroke unit has an automatic control system and runs at 1,800rpm at60Hz. It also comes with an air-cooling system and a chassis fuel tank. Power factor is 0.8 lagging. The diesel generator can operate continuously for 6 to 8 hours on a full tank. Permissible overload is 10 percent of rated output for 1 hour every 12 hours. A set includes control panel, filters, muffler, radiator, battery, breaker and other parts. Price ranges from $7,200 to $7,600.

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Fuzhou GFF Keypower Equipment Co. Ltd offers the model KP-85P silent diesel generator that operates at 56 to 75dB within an area of 7m. Rated output is 2 to 2,000kW/2 to 2,500kVA while rated voltage ranges from L-N 110 to 277V or L-L 220 to 480V. The unit uses an electric or recoil start engine with a rated speed of 1,500 to 3,600rpm. Cummins, Perkins, Isuzu, Lovol, Deutz, Doosa and other local brands can be adopted. Alternator options are Stamford, Leroy Somer, Meccalte or the company's in-house developed brushless version. These are IP23-rated with a power factor of 0.8 or 1. The model's control panel has standard engine instrumentation, voltmeter and ammeter with selector switches, a frequency meter, current transformers, instrument fuses that are duly wired and ferruled, and MCB of suitable rating with overload and short-circuit protection. The diesel generator is packed in a plywood case or PE film. It is quoted at $300 to $5,000.

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Hansom Import and Export Co. Ltd's model TP88CS diesel generator utilizes a 6BT5.9G2 Cummins engine, a UCI224G Stamford alternator and DSE6020 or DSE7320 control system. The 3,000x1,150x1,530mm silent unit operates at 72dB within an area of 7m and weighs 1,478kg. Exhaust port diameter is 75mm. The model's prime and standby voltage and power are 64kW/80kVA and 70kW/88kVA. Rated is speed is 1,500rpm. The diesel generator incorporates a three-pole MCCB circuit breaker anda 220L open fuel tank. It uses a 15W40-CF4 lubricant.

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The model HDM220 diesel generator from Hidier Power Group (Beijing) Co. Ltd uses an HC1444D or HD220 Stamford alternator, MTU 6R1600G10F engine and ComAp InteliLite MRS10 control system. Noise level is at 70.9 to 75.8dB within an area of 7m. The 6-cylinder 4-stroke open-type unit has prime and standby power of 220kW/275kVA and 240kW/300kVA, and rated speed of 1,500rpm. It also integrates direct injection combustion and water-cooling systems. Compression ratio is 17:5 while displacement is at 10.5L. The machine's bore and stroke are 122 and 150mm. Total coolant and lubricant capacity is 84 and 46L, respectively. The diesel generator measures 3,310x1,390x2,061mm and weighs 3,096kg.

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Shenzhen Seetop Science and Technology Co. Ltd offers the model LDG6500CL-1 open-frame diesel generator with rated and maximum AC output of 5/5.5 and 5.5/5.8kW. It adopts an LA186FAG engine that runs at speeds of 3,000 to 3,600rpm. The unit operates at 110 to 240V with a DC output of 12V/8.3A and power factor of 1. Displacement is at 418cc. The power supply's fuel and lubricant tank capacity is 12.5 and 1.65L, respectively. Product dimensions are 740x475x590mm while weight is 99kg.

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