Diagnostic Tools for Generator Testing Part 1

Electrical/Electronic Diagnosis

An advanced generator is a complete integrated system. The engine operation software can be controlled by commands from the system controller, such as the Cummins PCC controller. Technicians use various electrical/electronic diagnostic tools to test and troubleshoot the power generation system.

diesel engine generator

Multimeters, megohmmeters, and clamp ammeters are some essential handheld diagnostic tools. The portable load group tester provides external loads to accurately test the generator under controlled loads. The manufacturer software is installed on the maintenance tool (laptop) for communication with the generator control system.

This article introduces the functions and common uses of handheld devices and software diagnostic tools. When using any electrical equipment, Dingbo Electric always recommends using trained generator technicians, licensed commercial electricians, or electrical contractors.

Handheld instrument

Multimeter

In the daily use of power generation technicians, a multimeter is one of the most commonly used tools. These instruments are used to check for open circuits, short circuits, and grounding in circuits. The selection of resistance, voltage, and amperage is common. Early multimeters were analog, with pointers moving on the scale. Today's multimeter is a digital multifunctional electronic testing tool with multiple functions.

The voltage test is completed without isolating the circuit. However, the ampere test is a bit complicated because the circuit must pass through a multimeter. When reading the resistance, the conductor and coil are disconnected from the circuit. The specifications of the generator stator winding specify the resistance of a single coil. If the coil resistance is higher than the specification, the AC generator must be replaced or repaired. The resistance between each coil must be infinite (OL).

A multimeter is an essential instrument for on-site technicians. This is the most commonly used tool by technicians.

There are many adapters available to improve the performance of blood glucose meters. Here are some examples:

Clamp current transformer - equipped with clamp function for standard multimeter

Inductive sensor/external trigger - allows technicians to measure revolutions per minute (RPM)

Pressure Vacuum Module - Adding Digital Vacuum and Pressure Readings to the Multimeter

Integrated temperature probe - allows a multimeter to measure temperature

Clamp ammeters.

The AC clamp ammeter has two ferrite or soft iron clamps wrapped with metal wires. The gripper opens and closes around the conductor. When current flows through a conductor, a magnetic field is generated. The magnetic field fluctuates proportionally to the load. The current transformer inside the meter converts magnetic field fluctuations into AC current readings.

The DC clamp ammeter is composed of Hall effect sensors. DC current flows with a fixed polarity, while the magnetic field around the conductor remains unchanged. The clamp is clamped around the conductor. A fixed polarity current generates a small amount of voltage. The ammeter Hall effect sensor converts voltage into a DC ampere reading.

The reason for the circuit breaker tripping may be a lengthy and difficult to solve problem. After troubleshooting the short circuit issue, the ammeter allows technicians to quickly determine whether it is a circuit breaker fault or an overload situation in the circuit.

Dingbo Power was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. If you want get more information, please feel free to send email to sales@dieselgeneratortech.com we will pay highly attention on your question.

Diesel Generator Power Ratings: Standby vs Prime vs Continuous

Diesel generator sets are commonly used in a variety of sectors due to their dependable performance and high efficiency. They can be used for emergency power supply in the event of a power cut or used in places without connection to a power grid. When selecting a diesel generator for your home or business, you need to consider many factors, such as generator’s ratings. In this article, we’ll explain the three basic rating types - standby, prime, and continuous in diesel generators. ISO-8528-1:2018 defines basic generator set rating categories based on four operational categories: Emergency Standby Power (ESP), Prime Power (PRP), Continuous Power (COP) and Limited-Time Running Prime (LTP). Read on and learn the application of power ratings for engines used in generating sets. Standby Power Rating Standby Power(ESP) is used to supply emergency power when the external power supply is interrupted, such as power outages. Standby power rated generators can supply reliable electricity as t...

How to Choose a Household Mini Generator

With the improvement of people's living standards, there are more and more household appliances, such as rice cookers, microwaves, kettles, refrigerators, air - conditioners, washing machines, etc. It can be said that every household has them. But what if there is a power outage? These appliances won't work properly, and our lives will be greatly disrupted. How can we avoid this? We can use household mini - generators to provide convenience in power consumption. So, how to choose a good household mini - generator? Consider the noise level Since it is for household use, when choosing a household mini - generator, we need to check whether the noise will affect the neighbors. Generally, the seller will demonstrate the performance of the generator in advance. A good household generator can reduce noise by about 80%. Choose a generator with a moderate price Due to different brands, there are significant differences in power, and consequently, the price differences of househ...

How to Choose Efficient Diesel Generators for the Film and Television Industry?

In the film and television industry, the stability of the electricity supply during filming is crucial. Whether the equipment are the cameras or the lighting equipment on the filming site, or the post-production equipment, they all need stable and reliable power support. Unstable or interrupted power can result in interrupted filming, damage to equipment, and even affecting the progress and quality of the entire project. Therefore, investing in high-efficiency diesel generator sets has become an important measure for the film and television industry to ensure the reliable power supply for shooting. Determine the power requirements Before choosing a diesel generator set for the film and television industry, it’s necessary to figure out the total power needs, including the electricity demand of the shooting location, the total power of the electrical equipment and the time of using electricity. Also consider whether there are special needs for the generators such as low noise level and...

Diesel Generator Tech

Search This Blog