Who buys 30 kW diesel power plants? 

I often hear this question, and many immediately think about construction sites or emergency power supply to hospitals. Reality, as usual, is more complex and interesting. A power of 30 kW is a certain milestone, very much in demand, but the clients here are not one or two categories, but a whole spectrum. And everyone has their own, sometimes unobvious, “cockroaches?” in the head and requirements for hardware.

Not only “in reserve”: the main resource where you don’t expect it

Yes, the first thing that comes to mind is reserve. But if you dig deeper, it turns out that for many objects 30 kW is not just insurance, but a critical minimum for maintaining processes during a network outage. Let's take, for example, small production shops for processing metal or plastic. Stopping the circulation pumps of the cooling system, control equipment, and ventilation is not just downtime, it is a risk of damaging the equipment and disrupting the technological cycle. Here the generator does not work 2-3 hours a year, but can be called into service a dozen times, especially in regions with old infrastructure.

A separate story is telecommunications facilities: cellular base stations, data transmission nodes. For them, 30 kW is often the optimal power to keep key equipment afloat. The client here is not a romantic, but a stern power engineer who will meticulously look at the quality of the output voltage (THD), startup speed and the ability to integrate with the ATS system. He will ask not about “horsepower”, but about the control protocol and compatibility with specific UPSs.

And then there is agriculture. Winter shelters, dairy farms with milking parlors, ventilation systems in vegetable storage areas. A power outage here is a direct threat to living creatures or crops. They often do not need a mega-installation for the entire complex, but rather a local source for a critical area. An important nuance is working in conditions of high humidity and dust, which affects the choice of design (hood, enclosure, all-weather).

?Basic? source: when there is a network, but it seems to be gone

This is perhaps the most interesting category of buyers. We are talking about those who work in remote areas where centralized power supply is either completely absent or so unstable that it cannot be considered a source. Geological exploration parties, temporary logging camps, quarries at the initial stage of development.

Here the 30 kW diesel power station becomes the heart of the entire camp. It powers not only the instrument, but also the cabins, lighting, and communications. Here the requirements are shifting towards reliability and maintainability in field conditions. Customers often ask about engines of specific brands (such as Perkins, Deutz, Yanmar), because they know that with them it is easier to find spare parts even in the outback. Automation is good, but the simpler and dumber it is, the better - extra sensors only break down.

I remember an incident where we supplied a station for a rotational camp in Siberia. The customer initially wanted the cheapest option with a little-known engine. We persuaded him to use a proven containerized unit. Six months later he called and said: “Thank you for dissuading me.” The neighbors have the same “economical” one. stood up like a stake at -45, but ours is pulling? This is the very moment when the price fades into the background before the price of idle time.

Specifics of choice: engine, generator and “little things” that decide everything

When a client comes for 30 kW, he often does not fully understand what exactly he is paying for. Explaining the difference between a branded and no-name generator is a daily job. I often show by example: you can take an installation with, say, a Leroy Somer or Mecc Alte generator part, or you can take something without a name. There is a difference in price, but it pays off with voltage stability, overload capacity and service life. For sensitive electronics, this is a matter of life and death.

The engine is a separate issue. As a backup, sometimes you can look at Chinese assemblies, which have become quite good. But for constant work, especially in heavy duty, I still incline clients to proven brands. Fuel consumption, oil consumption, maintenance intervals - all this results in concrete money in the long run. We recently calculated the TCO (total cost of ownership) for a customer over 5 years: the difference between the initial savings and subsequent repair and fuel costs was in favor of a more expensive but economical model.

And these are the “little things”: the starting system, the type of starter, the battery capacity, the noise-proof casing. The casing, by the way, is not for beauty. It reduces noise, which is critical when installed in a populated area or on the territory of an enterprise with strict noise regulations. It also protects from bad weather and... from vandals. Extra access to the "insides" rarely does it do any good.

Buyer mistakes and our mistakes

The most common mistake is “I take 30 kW because my neighbor took it.” Without calculating peak loads, without taking into account starting currents (especially for electric motors, pumps, compressors). It happens that a person comes and says: “I have three machines, each 7 kW, which means 21 kW, I’ll take 30 - with a reserve?”. And then it turns out that two machines turn on simultaneously, and even with a 5 kW compressor, and the peak load jumps beyond 40 kW. The generator goes into overload, the protection is triggered... And, of course, we are to blame for “selling the wrong thing”. Now we always draw a simple load diagram and ask about the switching sequence.

We also had some mistakes. Previously, about ten years ago, they actively promoted stations with a “turnkey” liquid cooling system, without paying due attention to the quality of installation and piping on site. A couple of times it backfired: somewhere the exhaust was installed incorrectly, somewhere the connection to the fuel tank was not done properly. We had to develop strict standards for installation supervision and recommendations for installers. Now, working in conjunction with engineersYuke (Shandong) Electrical Technology Co.,Ltd, we always offer either a specialist visit or detailed diagrams and consultations. Their approach, based on engineering consulting and supplying equipment as part of a complete solution, is very close to what the practice requires. Check out their websitehttps://www.voyoko.ru— it shows that the company has grown from real projects, and not just from a sales office.

Another point is fuel. It seems that diesel fuel is diesel fuel in Africa too. But the quality of winter and summer diesel fuel, the need to heat the fuel line, install additional fine filters - many people forget about this. And then they wonder why the injectors become coked or the engine does not start in cold weather. We have to teach clients the basics of operation.

Who ultimately makes the choice? Customer identity

Ultimately, the decision is always made by the individual. And here it is important to understand who he is. If this is the chief power engineer of a large plant, the conversation will be technical, with an emphasis on parameters, documentation, and certificates. If this is the owner of a small farm, simplicity is important to him, “so that it starts with half a turn and does not torture?” If this is a contractor building a facility, he is interested in the price and the ability to quickly sell the installation after completion of the work.

Often the true customer is hidden behind an intermediary. For example, a design organization selects a model to include in the specification of an object. There are other priorities here: compliance with the formal requirements of the project, the availability of the necessary certificates (firefighters, compliance with the CU TR), brand awareness in the estimated prices. We work differently with such clients; we prepare entire packages of documents.

The result is simple: there is no abstract “buyer of a 30 kW diesel power plant?”. There are specific people with specific goals, fears and budgets. You understand this - you can choose not just hardware, but a solution. And the solution, unlike the product in the warehouse, is always individual. And this, to be honest, is the main point of our work - to understand this mass of nuances and bring the client together with the very installation that will not be a headache for him, but a working tool for years.