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GB/T 7260.3-2024: Uninterruptible power systems (UPS) - Part 3: Method of specifying the performance and test requirements
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Uninterruptible power systems (UPS) - Part 3: Method of specifying the performance and test requirements
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GB/T 7260.3-2024
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| GB/T 7260.3-2003 | English | 145 |
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Uninterruptible Power Systems (UPS) -- Part 3: Method of specifying the performance and test requirements
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Basic data | Standard ID | GB/T 7260.3-2024 (GB/T7260.3-2024) | | Description (Translated English) | Uninterruptible power systems (UPS) - Part 3: Method of specifying the performance and test requirements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K85 | | Classification of International Standard | 29.200 | | Word Count Estimation | 86,831 | | Date of Issue | 2024-06-29 | | Date of Implementation | 2025-01-01 | | Older Standard (superseded by this standard) | GB/T 7260.3-2003 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 7260.3-2024: Uninterruptible power systems (UPS) - Part 3: Method of specifying the performance and test requirements
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
National Standard of the People's Republic of China
Replaces GB/T 7260.3-2003
Released on 2024-06-29
2025-01-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
1 Scope
This document specifies the performance and test requirements for portable, immovable and fixed electronic uninterruptible power supply systems (UPS).
The UPS used has the following features.
--- Powered by an AC voltage not exceeding 1000V;
---Provide an AC output voltage not exceeding 1000V;
--- Energy storage device containing a DC voltage not exceeding 1500V;
---The main function is to ensure the continuity of load power.
This document specifies the performance and test requirements for the complete UPS and, where applicable, the individual UPS functional units.
Requirements for individual UPS functional units in IEC publications apply to the extent not inconsistent with this document.
UPS has a wide power range, from less than 100 watts to several megawatts, to meet the requirements of various loads for power availability and quality.
Information on typical UPS configurations and topologies is provided in Appendices A and B.
This document also specifies the performance and test methods related to UPS switches, which are used in conjunction with UPS functional units to ensure
Fault load power continuity.
This document does not cover.
--- Conventional AC and DC distribution boards and their associated switches;
--- Independent static switching systems covered by GB/T 34940.3;
---Rotary uninterruptible power supplies covered by GB/T 2820.11; and
---GB/T 7260.503 covers DC output uninterruptible power supplies.
NOTE 1.This document considers that maintaining power continuity for information technology (IT) equipment is the primary application of a UPS. Therefore, the UPS output characteristics specified in this document are also
Designed to ensure compatibility with the requirements of information technology equipment, including requirements for steady-state and transient voltage variations, and with linear and nonlinear load characteristics.
The power supply requirements of information technology equipment are limited by the manufacturer's declaration.
NOTE 2 The test loads specified in this document simulate linear and nonlinear load characteristics and are used to verify the performance claimed by the manufacturer, reducing the complexity of the test process.
and energy consumption is reduced to a minimum.
Note 3.This document is intended for applications at 50 Hz and 60 Hz, but does not exclude applications at other frequencies within the scope of IEC 60196.The resulting special
Requirements are to be negotiated between the manufacturer and the buyer.
2 Normative references
The contents of the following documents constitute essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 156-2017 Standard Voltage (IEC 60038.2009, MOD)
GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature (IEC 60068-2-1.
2007, IDT)
GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature (IEC 60068-2-2.
2007, IDT)
GB/T 2423.3-2016 Environmental testing Part 2.Test method Test Cab. Steady state damp heat test (IEC 60068-2-
78.2012,IDT)
GB/T 2423.5-2019 Environmental testing Part 2.Test method Test Ea and guidance. Impact (IEC 60068-2-27.
2008, IDT)
GB/T 2820.11 Reciprocating internal combustion engine driven AC generator sets Part 11.Rotating uninterruptible power supply performance requirements and
Test method (GB/T 2820.11-2012, IEC 88528-11.2004, IDT)
GB/T 3767-2016 Acoustics - Determination of sound power level and sound energy level of noise source by sound pressure method - Approximate free field above reflecting surface
Process method (ISO 3744.2010, IDT)
GB/T 3768-2017 Acoustics Sound Pressure Method for Determination of Sound Power Level and Sound Energy Level of Noise Source Using Envelope Measurement Surface Above Reflecting Surface
Simple method (ISO 3746.2010, IDT)
GB/T 3859.1-2013 General requirements for semiconductor converters and grid-commutated converters Part 1-1.Basic requirements specification
(IEC 60146-1-1.2009,MOD)
GB/T 3859.4-2004 Semiconductor converters including semiconductor self-commutated converters for direct current converters (IEC 60146-2.
1999,IDT)
GB/T 7260.1-2023 Uninterruptible power supply system (UPS) Part 1.Safety requirements (IEC 62040-1.2022, IDT)
GB/T 7260.503 Uninterruptible power supply system (UPS) Part 5-3.DC output UPS performance and test requirements
(GB/T 7260.503-2020,IEC 62040-5-3.2016,IDT)
GB/T 16895.6-2014 Low voltage electrical installations Part 5-52.Selection and installation of wiring systems for electrical equipment (IEC 60364-
5-52.2009,IDT)
GB/T 16935.1-2023 Insulation coordination for equipment in low voltage power supply systems Part 1.Principles, requirements and tests (IEC 60664-1.
2020, IDT)
GB 17625.1 Electromagnetic compatibility limits Part 1.Harmonic current emission limits (equipment input current per phase ≤ 16A)
(GB/T 17625.1-2022,IEC 61000-3-2.2020,MOD)
GB /Z 17625.6 Electromagnetic compatibility limits for harmonic currents generated by equipment with a rated current greater than 16A in low-voltage power supply systems
Flow restrictions (GB /Z 17625.6-2003, IEC TR61000-3-4.1998, IDT)
GB/T 20159.3 Classification of environmental conditions Relationship between environmental condition classification and environmental testing and conversion guide Climate protection
Fixed use in place (GB/T 20159.3-2011, IEC /T R60721-4-3.2003, IDT)
GB/T 34940.3 Static switching system (STS) Part 3.Methods for determining performance and test requirements (GB/T 34940.3-
2017,IEC 62310-3.2008,MOD)
IEC 60364-1 Low-voltage electrical installations Part 1.Basic principles, general characteristics evaluation and definitions (Low-voltageelectri-
Note. GB/T 16895.1-2008 Low voltage electrical installations Part 1.Basic principles, general characteristics evaluation and definitions (IEC 60364-1.2005, IDT)
IEC 60664-1 Insulation coordination for equipment in low-voltage supply systems Part 1.Principles, requirements and tests
Note. GB/T 16935.1-2023 Insulation coordination for equipment in low-voltage power supply systems Part 1.Principles, requirements and tests (IEC 60664-1.2020,
IDT)
IEC 61000-2-2.2002 Electromagnetic compatibility (EMC) Part 2-2.Environmental public low-voltage power supply system low-frequency conducted disturbances and signal
Note. GB/T 18039.3-2017 Electromagnetic compatibility environment Compatibility level of low-frequency conducted disturbances and signal transmission of public low-voltage power supply systems (IEC 61000-
2-2.2002,IDT)
IEC 61000-3-12 Electromagnetic compatibility (EMC) Part 3-12.Limits Input current per phase greater than 16A and less than or equal to 75A
withinputcurrent >16Aand≤75Aperphase]
Note. GB/T 17625.8-2015 Electromagnetic compatibility limit value for equipment connected to a public low voltage system with an input current of more than 16A and less than or equal to 75A per phase
Harmonic current limit (IEC 61000-3-12.2004, IDT)
IEC 62040-2 Uninterruptible power supply systems (UPS) Part 2.Electromagnetic compatibility (EMC) requirements
Note. GB/T 7260.2-2009 Uninterruptible power supply (UPS) Part 2.Electromagnetic compatibility (EMC) requirements (IEC 62040-2.2005, IDT)
ISO 4180.2019 General rules for the preparation of performance test plans for intact, filled transport packages (Packaging-
Note. GB/T 4857.17-2017 Basic tests for packaging and transport packages Part 17.General rules for preparing performance test outlines (ISO 4180.
2009,MOD)
3 Terms and definitions
4 Environmental conditions
4.1 General
The UPS shall be rated for operation in the environment pollution degree 2 defined in IEC 60664-1 and under normal conditions specified in 4.2.
Other conditions may be negotiated between the manufacturer/supplier and the buyer.
NOTE 1 Pollution degree is a characteristic of the environment and is described in detail in IEC 60664-1, from which the following conclusions are drawn.
---Pollution degree 1.Applicable to environments with no pollution or only dry, non-conductive pollution.
---Pollution degree 2.Applicable to environments where there is only non-conductive pollution, but temporary conductive pollution may occur due to occasional condensation.
---Pollution level 3.Applicable to equipment with conductive pollution, or equipment where dry non-conductive pollution may become conductive pollution due to expected condensation
Internal environment.
---Pollution degree 4.Applicable to environments with continuous conductive pollution (such as caused by conductive dust or rain and snow).
NOTE 2 Applicable safety and electromagnetic compatibility (EMC) conformity assessments are considered to be compatible with other conditions agreed between the manufacturer/supplier and the purchaser.
4.2 Normal conditions
4.2.1 Overview
4.2 lists the environmental conditions that are applicable to UPS operation, storage and transportation by default.
4.2.2 Operation
4.2.2.1 Ambient temperature and relative humidity
When the UPS is operating within the following environmental range, it should operate at rated speed.
---Ambient temperature. 0℃~40℃;
---Relative humidity. 20%~90% (no condensation).
When testing as described in 6.5.3, verify the above temperature and relative humidity ranges according to GB/T 20159.3.
Note. When the UPS is required to operate outside the environmental requirements, it is considered an abnormal condition, see 4.3.
4.2.2.2 Altitude
UPS complying with this document shall be designed for rated operation at altitudes of 1000m or less.
4.2.3 Storage and transportation
UPS that conform to the provisions of this document are stored statically in buildings and transported in normal shipping containers on commercial pressurized aircraft, cargo ships, or trucks.
When transporting, the following environmental requirements should be met.
---Ambient temperature. -25℃~55℃;
---Relative humidity. 10%~95% (no condensation).
The above ambient temperature and relative humidity ranges shall be verified as described in 6.5.2.
Containers not designed for use in humid (condensing) environmental conditions should be marked with a warning label.
The impact and free-fall resistance requirements shall be verified as described in 6.5.1.
Unless otherwise stated by the UPS manufacturer, a UPS complying with this document should not be stored at an altitude where the equivalent atmospheric pressure is less than 70 kPa.
Storage or transportation.
Note 1.The atmospheric pressure at an altitude of 3000m is about 70kPa.
Note 2.Certain energy storage devices require other storage and transportation conditions. For example, for batteries, the time in high or low temperature environments will affect their life.
Battery manufacturers usually provide instructions for transporting, storing, and charging batteries.
4.3 Abnormal conditions
4.3.1 General
4.3 gives the environmental conditions that require special design and/or special protective features, as determined by agreement between the manufacturer and the purchaser. The purchaser shall
Verify requirements when there are deviations from the normal environment specified in 4.2.
4.3.2 Operation
Abnormal circumstances that should be confirmed include.
--- Exceeding pollution degree 2 (see note in 4.1);
---Exceeding the temperature and relative humidity range conditions listed in 4.2.2.1;
--- Exceeding the altitude conditions listed in 4.2.2.2;
4.3.3 Storage and transportation
Abnormal storage and transportation conditions that should be identified include conditions that differ from normal use of electronic equipment and batteries. The following are a list of abnormal conditions.
---Exceeding the ambient temperature and relative humidity range conditions given in 4.2.3;
--- Exceeding the altitude conditions given in 4.2.3;
---Exposure to abnormal vibration, shock, tilt and earthquake acceleration forces;
---Special transportation requirements and equipment handling requirements.
5 Electrical conditions, performance and declared values
5.1 General requirements
5.1.1 UPS Configuration
The UPS manufacturer/supplier should declare and describe the UPS configuration, including.
---Number of UPS units and their topology;
--- Applicable redundancy configuration;
---Any UPS switches required to connect, interrupt, switch, bypass or isolate.
The declaration and its description can be found in the applicable terms and figures of Appendix A, Appendix B and Appendix C, and can be included in the technical data sheet. Appendix D gives
Example of a technical data sheet that can be included in a UPS user manual.
5.1.2 Labels and instructions
In addition to the markings and instructions required in GB/T 7260.1, additional requirements should be given in the user manual and marked on the UPS when applicable.
Note. Examples contain necessary instructions for user-customized performance.
5.2 UPS input requirements
5.2.1 Normal mode operating conditions
A UPS complying with the requirements of this document shall remain in normal operating mode when connected to an AC input power source having the following characteristics.
a) Rated voltage and the input voltage tolerance band is ±10% of the rated voltage.
b) Rated frequency and the input frequency tolerance band is ±2% of the rated frequency.
c) For multi-phase input, the voltage imbalance rate shall not exceed 5%.
d) Voltage total harmonic distortion.
---UPS for connection to public low voltage power supply system.
≤8% and the maximum level of single harmonic distortion of voltage shall not exceed the values listed in Table 3;
---UPS for connection to factories and non-public power supply systems.
≤12% and the maximum level of single harmonic distortion of voltage shall not exceed the values listed in Table 4.
e) Transient voltages, superimposed high-frequency voltages and other electrical noise such as lightning, capacitive or inductive circuit switching,
It is within the electromagnetic immunity range specified in IEC 62040-2.
5.2.2 Characteristics claimed by the manufacturer
The manufacturer shall declare the applicable input characteristics for each AC input port. In addition to the characteristics covered in 5.2.1, the following characteristics shall also be declared.
a) Number of phases.
b) Neutral requirements.
c) Rated input current.
d) Input power factor.
e) Inrush current.
f) Maximum input current.
g) Input current at overload capacity (where applicable, a curve of current versus time).
h) Total harmonic distortion of current.
i) The minimum short-circuit capacity of the AC input power required to meet GB 17625.1 (UPS input current per phase is less than or equal to
16A) or the maximum harmonic current allowed in IEC 61000-3-12 (UPS input current per phase greater than 16A but less than or equal to 75A)
When the above standards are not applicable and a voltage source with negligible distortion is provided, the voltage distortion level at rated input voltage should be given.
The measured or calculated single input harmonic current level (n≤40) is generated.
j) Earth leakage current characteristics (when exceeding 3.5 mA). The effect of load on leakage current (if any) is not considered.
k) AC power distribution system compatibility (TN, TT or IT as defined in IEC 60364-1).
l) Rated input voltage and input voltage tolerance band.
m) Rated input frequency and input frequency tolerance band.
NOTE. The declaration is usually in the form of a technical data sheet. Appendix D provides an example of a technical data sheet.
5.2.3 Characteristics and conditions determined by the buyer
The buyer should be aware of any characteristics and conditions that are more stringent than those stated by the manufacturer. In addition, the buyer should be aware of any national or local regulations that may require
any special conditions required, and any adverse or special operating conditions listed below, including.
a) When the existing harmonic voltage distortion exceeds the requirements of Table 3 and Table 4 (if applicable);
b) Compatibility requirements with the characteristics of AC input power protection devices;
c) The requirement for isolation of all ports of UPS and AC input power;
d) Characteristics of backup generator (if any).
NOTE For the characteristics of internal combustion engine driven generating sets, see IEC 60034-22.
These operating environments and deviations may require special design and/or protection features.
UPS designed for industrial use or powered by independently generated AC input power may need to meet more stringent conditions.
Such conditions should be described as detailed as possible. In the absence of such information, the manufacturer/supplier may make a compromise based on his/her experience and in conjunction with the intended installation point.
Capacitive design.
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