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Power Hardware in the Loop (PHIL)

Power hardware in the loop (PHiL) is a variant of the original HiL concept. The concept of HIL is retained and supplemented by additional power -read amplifier- in the loop. In this way, the HIL concept is made suitable for controlling physical components or subsystems that require more power. Think of testing or designing electric motors, transformers or inverters. In (...)

Introduction Hardware in the Loop HIL

Hardware-in-the-Loop (HIL) is a testing and validation technique often used in the development of complex systems such as electronic implementations in automotive and aerospace applications, industrial machinery and other similar applications. Examples include motor control systems, brake controls, communication systems and many other applications. In every contemporary concept, we encounter electrical designs that provide control, safety and communication in a (...)

Connector types

For charging electric vehicles, there are different types of connectors (outlet, plug, inlet). Different car brands use different types of connectors. This depends on the region where they are most commonly used and AC or DC charging. Here are the main charging connectors you may encounter internationally: Type 1 (SAE J1772): The Type 1 connector, also known as the SAE (...)

SPS5000 parametric test software for semiconductors

Itech has developed the SPS5000 parametric semiconductor test software to complement the IT2800 series SMU (System Measurement Unit), with a minimum resolution of up to 100nV/10fA. Specifically designed for use in university laboratories, semiconductor R&D and manufacturing and research institutes. With an intuitive GUI, the SPS5000 software enables fast semiconductor characterisation testing and simplifies measurement setup, I-V characterisation and data (...)

Grid emulation

First, let's distinguish between grid emulators and AC power supplies. With AC power supplies, we can simulate grid voltage and frequency at a certain power. This is fine if we want to test a DUT (Device Under Test) against, for example, the various standards that apply to equipment on our power grid. Think of the IEC-61000-4-xx and IEC 61000-3-xx standards (...)

Battery emulation

What does battery emulation actually entail and why would you want it? A battery is basically a DC power supply/DC load but with some specific properties. For instance, every battery has an internal resistor. The output voltage of the battery also depends on the charge status of the battery. And so there are some other variables that affect it. A (...)

A safe testing environment for battery testing

TTMS does not have any products in the package regarding safety around testing Li-ion batteries in particular. However, we do recognise the importance of a safe testing environment. In all testing, your safety should always come first. This page provides you with that information. Naturally, you provide a clean and spacious test room. If possible, use a special fireproof cabinet (...)

Automatic testing of batteries, test software and test systems

When testing battery capacity but especially when testing battery life under certain conditions, it is wise to use automation software. This ensures safe and automatic storage of the measurement data. It also concerns unambiguous testing and the required safety with the necessary programmable stop criteria. Below, we list the bi-directional DC power supplies in TTMS' range with their corresponding automation (...)

Testing a battery pack

Testing a battery pack is obviously an extension of testing a battery module. Again, we can perform the following tests: - Determining the impedance of the complete battery pack - Determination of the capacity of the battery pack - The number of charge/discharge cycles Compared to testing battery modules, here we are dealing with higher powers (kWh), higher currents and (...)

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