In the context of power supplies and control engineering, a ramp or ramp function describes a signal that increases or decreases linearly at a constant rate. Graphically, it forms a straight, sloped line, resembling a physical ramp.
In a power supply, the ramp function is crucial for controlling the rise and fall of voltage or current. Instead of changing instantaneously--which can damage sensitive electronic components--a ramp provides a smooth, gradual transition. The rate of this change is often referred to as the slew rate.
This contrasts with a step function, where the output changes almost instantly from one value to another, like flipping a switch. While step changes are necessary for some digital applications, controlled ramps are essential for safely powering up devices, conducting stress tests, soft-starting motors, and testing the characteristics of components like capacitors and semiconductors.
Many of Matsusada Precision's advanced DC power supplies and high-voltage power supplies offer sophisticated ramp control through a built-in sequence function. This powerful feature enables users to program precise ramp-up and ramp-down profiles for both voltage and current directly from the unit's internal memory. It allows for the creation of complex waveforms and automated test cycles without requiring an external controller.
This programmable ramp capability is invaluable for applications demanding highly repeatable and controlled power delivery, such as materials testing, DUT (Device Under Test) protection, power-on sequence simulation, and battery characterization. Models equipped with this programmable ramp and sequence feature include:
DC Power Supplies: R4K-36, R4KF-80, R4K-80, R4GT, PKTS, TB, RK, PVCE, PRKT, RKT, REK/REKJ, PRT/PRTM, PBR/PBRM
High-Voltage Power Supplies: EPR, HARS
Information on related articles in Technical Knowledge
- What is PID Control? An Introduction to Automatic Control
- What is a Power Supply? Types and Applications
- What is a Power Supply? (Basic Knowledge)
- Safety and Usage of High Voltage Power Supply
- An Introduction to DC Power Supplies
- What is a Bipolar Power Supply? (Basic Knowledge)
- Electronic Loads: An Introduction to Principles, Types, and Uses
- What is AC Power Source? - Basic Knowledge -
- Linear vs. Switching Power Supplies: Key Differences Explained
- Types of X-ray Tubes and High-voltage Power Supplies
- High Voltage Measurement Method
- How to Choose a DC Power Supply: Key Points to Consider
- Difference between DC power and AC power
- A Beginner's Guide to Using Power Supplies Safely
- A Guide to Using DC Power Supplies Correctly and Safely
- HVPS for Lab Analyzers: Key Considerations for Stability and Noise
- Amplifier Basics: Principles, Operation, and Key Considerations
- Method of Generating Direct Current (DC) Power