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WELCOME TO LONGKAI POWER

Estabished in 2002, We--FUAN LONGKAI POWER CO.,LTD become one of the professional players of generating set manufacturer in China. The factory of Longkai, occupying a total space of 42,600 ㎡, is located in Fuan City, Fujian Province, China. Now Longkai supplies generating sets ranging 10KVA—3,000KVA open type, soundproof type, trailer type, containerized type diesel generator sets, ATS Panel , Synchronizing Penel , Lighting Tower, Load Bank, Also we suply Alternators. At present, there are 7 Assembly Lines in Longkai to enable us to produce 1100 sets for Industrial Gensets and 2000 sets alternator per month. In partnership with our dealer over 60 countries, we keep moving to expand our business all over the world.
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RECOMMEND FOR YOU

Longkai supplies generating sets ranging 10KVA—3,300KVA open type, soundproof type, trailer type, containerized type diesel generator sets, ATS Panel , Synchronizing Penel , Lighting Tower, Load Bank, Also we suply Alternators.

Industrial Generator

Containerized Generator

Lighting Tower

Alternator

WHY CHOOSE LONGKAI POWER

What we offer

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

CASE STUDIES

Each generator set must undergo stability test and instantaneous test, on various functions of power, current, insulation, sudden unloading, sudden loading, self-protection and automatic control etc. in order to ensure that the ultimate delivered product is of perfect quality.

FREQUENTLY ASKED QUESTIONS

We warmly welcome your joining with us and hope that will bring mutual benefit to both parties in near future. If you still have any questions, please read the section below or contact us directly.
  • Can I Visit The Longkai Factory?

    We will be delighted to welcome you to our factory for you to know how we work. Contact us and we will do our best to facilitate your stay.
  • How Do I Get Replacement Parts For My Generator?

    It's as easy as calling your personal advisor. He will take care of everything related to your machine, supply, and delivery of replacement parts and consumables, maintenance, technical assistance, operation, etc.
  • What Does The Warranty Cover?

    Our standard warranty covers any manufacturing defects, valid for 1 year or 1200 hours of operation, and ends when either of the two previous circumstances is met(contact us for extensions).
  • How To Request An Offer

    You can call our sales department without obligation(+86 593 6309773) or through e-mail at info@longkaipower.com

LATEST NEWS

news
what is a load bank for generator

A generator load bank is an essential piece of testing equipment designed to apply a controlled electrical load to a standby power source, safely simulating real-world operational demand. Regular load bank testing plays a vital role in industrial maintenance by eliminating harmful wet stacking, validating cooling system capacities, and ensuring full compliance with stringent life-safety codes. For commercial facilities, data centers, and healthcare networks, investing in proper load testing configurations is the definitive way to verify backup power reliability, protect expensive hardware investments, and maintain uninterrupted operational continuity during unexpected electrical grid failures.

How Does A Generator Load Bank Work

An industrial generator load bank operates by introducing an independent, highly calibrated electrical resistance to a standby power system. By routing high-amperage current through heavy-duty resistive elements or reactive inductors, this specialized infrastructure safely converts raw electrical output into immense thermal energy, which integrated cooling blowers continuously dissipate into the atmosphere. This simulated operational demand forces the engine governor and automatic voltage regulator to adjust under maximum capacity, providing a controlled environment to eliminate harmful diesel wet stacking, validate cooling system resilience, log critical performance metrics, and certify backup asset readiness before an actual power grid failure occurs.

What Is A Generator Load Bank Test

A generator load bank test is a vital predictive maintenance framework that introduces a controlled, simulated electrical load to emergency standby power systems. By placing the engine and alternator under realistic nameplate conditions, this validation process safely evaluates thermal management stability, assesses governor transient responses, and actively eradicates harmful diesel wet stacking. Essential for critical infrastructure like hospitals and data centers, executing regular load testing remains the definitive strategy to uncover latent mechanical vulnerabilities, maximize fuel efficiency, and secure full operational compliance with mandatory life-safety codes before a utility blackout occurs.

How To Build A Generator Load Bank

Learning how to build a generator load bank requires an advanced integration of electrical distribution engineering, thermodynamics, and automated logic controls. The custom fabrication process involves precisely calculating chromium-alloy resistance paths using Ohm's and Joule's laws, constructing a compartmentalized structural steel enclosure with isolated plens, and installing a high-velocity forced-air cooling system to handle megawatt-level thermal energy. By layering hardwired physical safety interlocks with microprocessor-based digital power meters, engineers can build a highly resilient diagnostic testing machine that successfully clears diesel wet stacking, evaluates voltage transient deviations, and logs the timestamped compliance data necessary to certify emergency standby power assets.

how does a diesel water pump work

An industrial diesel water pump works by integrating a heavy-duty four-stroke compression ignition internal combustion engine with a high-capacity centrifugal pump end. The engine generates continuous mechanical torque through its crankshaft to rotate an internal impeller, creating a localized low-pressure vacuum zone at the impeller eye that draws in fluid. Centrifugal force rapidly accelerates the liquid radially outward through the volute casing, effectively converting high-velocity kinetic energy into static discharge head pressure. This self-priming configuration delivers absolute operational mobility and non-pulsating hydraulic flow rates, making it indispensable for remote mining, agricultural irrigation, and municipal disaster dewatering applications.

ABOUT LONGKAI POWER

Estabished in 2002, We--FUAN LONGKAI POWER CO.,LTD become one of the professional players of generating set manufacturer in China. The factory of Longkai, occupying a total space of 46,000 ㎡, is located in Fuan City, Fujian Province, China.    
 

PRODUCT CATEGORY

CONTACT US

   Add: Wei 5 Road, Tiehu Industrial Zone, Fuan, Ningde, China
   Tel: +86 593 6309773
   sales@longkaipower.com      
   Fax: +86 593 6586988       
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