Resources

This white paper is supplemental to the main paper "How Does Surge Suppression Work in PCR-LE/LE2 Series?"
In an AC circuit, power supply interruption can be mainly divided into two types: it occurs with low impedance or with high impedance. This white paper shows the two types.

PCR-LE/LE2 Series feature the surge suppression function that involves the process of protecting the PCR-LE/LE2 from voltage spike.
This white paper provides the details of surge suppression function and makes clear the difference between when surge suppression is set to on and off.

DC motor requires a startup current which is higher than its running current. Not all DC power supplies can provide sufficient power to DC motors.
This white paper shows the capability of bipolar DC power supply PBZ20-20A, which supplies a short-term peak current up to 6 times its rating current.

This white paper helps you to understand the typical issues involved with load conditions and how to solve them, particularly focusing on three types of loads: 1) inductive load 2) capacitive load such as battery and 3) regenerative load one by one.

This white paper explains the best practices for connecting a power cable and load cable to the DC power supply.
This helps you learn about typical wiring problems in an electrical system and how to avoid them.

This white paper describes a good power supply.
We explain how to determine the ability of the power supply by four characteristics associated with the power supply’s specification: line regulation, load regulation, transient response and ripple noise.

Ultra-compact AC Power Supply, PCR-WE Series is equipped with the external control function.
This white paper explains how to use the analog control function of PCR-WE.

This white paper describes how to set the voltage dip test in a few steps using the power line disturbance simulation function of PCR-WE Series.

Ultra-compact AC Power Supply PCR-WE Series outputs up to 5kHz, but it has frequency response.
This white paper explains how to use the correction function on frequency response.

When using a DC power supply for charging a load such as battery, the DC power supply absorbs a current from such loads when the output is turned off.
This white paper explains the power supply’s behavior.

For PBZ Series, a magnetic relay is used to turn the output on/off.
This white paper focuses on following topic of the output on/off behavior of PBZ and explain how:
1. the output voltage and output impedance change during the output on/off
2. PBZ responses to the output-on/off external signal input

This white paper shows the techniques to make the system that our bipolar power supply PBZ Series acts as a Constant Resistance load.

This white paper shows vibration test method in CV mode for automotive wire harness with connector, and explains how to conduct the test.
The connection, the setting and the operation to achieve the test are described step by step.

PLZ-5W Series features a switching current function to repetitively fluctuate between two current levels, and this function has been improved as compared with the previous model of PLZ-4W Series.
This white paper explains about the improvements by comparing with the PLZ-4W Series with waveforms.

Every battery charger being used requires the testing and such testing system must include something to simulate a battery.
This white paper gives you a test method with an electronic load, which provides the best solution for the battery charger testing to simulate the actual behavior of a battery.

Considering minimizing the potential shock hazard, the use of an isolation transformer or regulated power supply is critical during load testing of a non-isolated AC/DC converter.
This white paper explains how important these are for safety reasons.

The switch on/off testing can be performed with a combination of DC power supply and Electronic Load.
This white paper shares the measurement results using our different Electronic Loads and helps you understand how to choose or set an Electronic Load for switch testing system.

Various power control devices such as PCS mainly adopt a current transformer 50Hz/60Hz in AC current detection circuit.
This white paper gives you practical guide on how to build a better test system using an AC power supply and AC E-load.

Our Electronic Load PLZ Series has a master/slave parallel operation that expands an output capacity in the same model.
This white paper explains how to increase the capacity by parallel connection with different models such as PLZ-5W Series and PLZ-4W Series.

When making the master-slave connection such as signal wiring and load connection, you may find some issues with load connection.
This white paper describes not only the basic connection methods, also advanced techniques to stabilize an unstable output.

In a test system, AC source is one of the key components. However, there is some noise interference such as conducted noise and magnetic field that enter into the system.
This white paper focuses on a noise terminal voltage which is regarded as conducted noise and introduces how to reduce it.

Before installing PCR-LE/MA Series, you want to know how much current should be supplied from the distribution board. The best way is to calculate the current consumption of the AC sources.
This white paper gives you the examples how to calculate the input current based on your output requirement.

To charge batteries, it is recommended to connect a diode in series at an output of DC power supply. With a diode, CC can be properly supplied, however CV may be unstable if using remote sensing at battery terminals.
This white paper describes other stable CC-CV charging methods with a switch.

With the recent diversification of battery module application such as for automotive and backup, more and more users want to conduct a battery module charge-discharge test.
This white paper shows the method to balance the battery charge-discharge by using our DC power supply and Electronic load.

This white paper will address some precautions on the blown fuse testing such as the unit testing or cable and fuse testing and fuse component testing when using an Electronic Load.

PCR-LE/LE2 Series can produce a DC output that enables you to test DC-powered devices such as DC-input converters.
This white paper introduces the important precautions and useful functions to operate PCR-LE Series in DC mode.

PBZ Series can change the square waveform frequency and duty cycle. Using the sequence function, you can also change the pulse width.
This white paper explains how to change the pulse width with PBZ Series.

To transmit a synchronized trigger pulse for output from PBZ Series, you can create a trigger signal output through the sequence function or with a certain setting.
This white paper describes to realize it.

PBZ Series is a bipolar power supply that can be also operated in quadrant 2 to sink the current. This function enables you to measure an output impedance of DUT by using PBZ Series as an electronic load.
This white paper explains how to flow the load current to DUT power supply.

A single-phase three-wire output can be achieved usually by connecting two AC power supplies.
If you need to output from one AC power supply and the required current through DUT is small, you can output it by configuring the circuit as described in this white paper.

This white paper provides you with introduction on a method to achieve a double output voltage using two units of PBZ Series.
Connection, Setting and Operation to achieve it are described step by step.

DC power supply can provide dual (positive and negative) output by connecting two power supplies in series.
This white paper shows the procedure how to produce positive/negative output and describes dual tracking function.

When using an Inductive load (L-Load) such as a motor, the startup current can be 5 times larger than the normal startup current and it flows for several hundred ms.
This white paper describes the useful functions and precautions when using L-Load and C-Load in PCR-LE Series.

There are two methods to absorb motor’s regenerative current; Voltage Clipping Method and Bleeder Method.
This white paper describes the characteristics, functions and precaution for the methods.

Upon using AC or DC power supplies, it is necessary to determine whether either of positive or negative terminals or L/N terminals is connected to the GND terminal.
This white paper may help you to ground the power supply properly.

In PCR-LE Series, simulated CC operation can be achieved by setting the current limit in AC mode, as the ammeter monitors the output current and the arithmetic circuit controls the output voltage.
This white paper describes the functions and characteristics of this method.

When setting the output current or voltage from DC power supply, a higher accuracy can be achieved by panel setting or remote PC setting instead of ammeter adjustment.
This white paper explains the accuracy difference between these two methods.

PLZ164WA is a KIKUSUI’s special electronic load that can sink the current even when the input voltage is set to 0 (zero) V.
This white paper shows the mechanism and answers to some questions such as “Why the current flows even when the input voltage is set to 0V?”.

The same model of Kikusui DC power supply can be connected in parallel. Master-slave parallel operation is not available when connecting the different power supply model.
This white paper describes the recommended parallel operation to increase the output capacity with the different models.