A Talk on IPC Power Supply application occasions and corresponding regulations

2020-07-21

In this article, we will first explain frequently used regulations for IPC power supply.

 

IEC61000 Series:

This requirement set up by the International Electrotechnical Commission (IEC) is the most basic regulatory requirement. Not only IPC power supplies are bound by the requirements, general PC power supplies should also meet the requirements. The requirement level/item/excess may also vary.

The IEC61000 series stresses electromagnetic compatibility (EMC). It is composed of two main parts: electromagnetic interference (EMI) and electromagnetic susceptibility (EMS).

*EMI limits power supply itself from emitting energy that interferes with other parts.

*EMS verifies power supply itself has the ability to withstand external interferences.

 

The frequently required items of IEC61000 are:

In addition to the frequently required items, the IEC61000 series also has verification standards that exists for industrial environment (or heavy industry) requirements.

 

Specifically, IEC/EN 61000-6-2  / IEC 61000-6-4 is applicable for any device connected to the power network supplied by high-voltage or medium-voltage transformers. These transformers are specifically used for supply devices, material feeding manufacturing or similar factories and are intended for operation at or nearby an industrial location. It is also applicable for battery operated equipment in industrial venues.

Applicable power supply of FSP for industrial environment:​​​​FSP500-70AGB  / FSP600-80PSA(SK) / FSP850-50FGPH3

In addition to IEC61000 Series, IPC power supplies also encounter operating environments. Their corresponding regulations are as follows:

The IEC61850-3 Communication networks and systems include many definitions of anti-interference standards. In addition to the inclusion of the frequently required items for the IEC61000 Series, they also require:

Applicable power supply for the Ethernet switch used in the FSP substation environment: FSP120-AHAN3

IEC 60945 is frequently complemented by IACS standard verification.

 

Due to the special ship environment and that communication devices are usually installed on the cockpit or deck, there are special definitions for high/low temperature, high humidity, sunshine, vibration, salt spray, and other requirements.

Applicable power supply for FSP Maritime navigation and radio communication equipment and systems: FSP150-K24-12

For electronic equipment in railway applications, the system must be more reliable than standardized embedded computers and must withstand more applications. Assuming the system life of 250,000 hours without malfunction is required, it means the train control system must be designed to withstand the harshest environment. To achieve this objective, it means harsher verification standards must be met:

Reference

Applicable power supply of FSP for Electronic equipment used on rolling stock:FSP150-H135-12A

 

Differences between personal computers and industrial computers in terms of security regulation requirements

Item

General (household use) 

PC power supply

Heavy industry 

IPC power supply

Substation environment

IPC power supply

For ship use

IPC power supply

For railway environment use

IPC power supply

IEC 61000-3-2 Limits for harmonic current emissions

IEC 61000-3-3 Voltage fluctuations and flicker

IEC 61000-4-2 Electrostatic discharge immunity

IEC 61000-4-3 Radiated, radio-frequency, electromagnetic field immunity

IEC 61000-4-4 Electrical fast transient/burst immunity

IEC 61000-4-5 Surge immunity

IEC 61000-4-6 Immunity to conducted disturbances, induced by radio-frequency fields

IEC 61000-4-8 Power frequency magnetic field immunity

IEC 61000-4-11 Voltage dips, short interruptions and voltage variations immunity

v v v v v

IEC 61000-6-2  Immunity standard for industrial environments

IEC 61000-6-4  Emission standard for industrial environments

  v      

IEC 61000-4-12  Damped Oscillatory Wave Immunity Test

IEC 61000-4-16  Immunity to conduction, common mode disturbances in the frequency

          range of 0 Hz to 150 kHz

IEC 61000-4-17 Ripple on d.c. input power port immunity IEC 61000-4-29 Voltage dips,

         short interruptions and voltage variations on D/C input power port

    v    

IEC 61850-3 Ethernet switch used in the substation  environment

    v    

IEC 60945 Maritime navigation and radio communication equipment and systems

IACS E10 International Association of Classification /Societies

      v  

EN 50155 Electronic equipment used on rolling stock

EN 50121-3-2 Electromagnetic compatibility rolling stock  apparatus

        v

 

Summary:

the above IPC application occasions and corresponding regulations only account for a small part of the IPC applicable scope. This article has been proposed to share on items more frequently asked by customers.

 

Learn more about FSP, an AC/DC power supply manufacturer

 

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