GB/T 29319-2024 PDF English
US$260.00 · In stock · Download in 9 secondsGB/T 29319-2024: Technical requirements for connecting photovoltaic power system to distribution network Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB/T 29319: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 29319-2024 | English | 260 |
Add to Cart
|
0-9 seconds. Auto-delivery
|
Technical requirements for connecting photovoltaic power system to distribution network
| Valid |
| GB/T 29319-2012 | English | 399 |
Add to Cart
|
3 days
|
Technical requirements for connecting photovoltaic power system to distribution network
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB/T 29319-2024
GB/T 29319-2024: Technical requirements for connecting photovoltaic power system to distribution network
---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT29319-2024
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 27.160
CCS F 12
Replacing GB/T 29319-2012
Technical Requirements for Connecting Photovoltaic Power
System to Distribution Network
Issued on: MARCH 15, 2024
Implemented on: MARCH 15, 2024
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of China.
Table of Contents
Foreword... 4
1 Scope... 6
2 Normative References... 6
3 Terms and Definitions... 7
4 Active Power... 8
4.1 Active Power Control... 8
4.2 Primary Frequency Modulation... 8
5 Reactive Voltage... 9
6 Fault Ride-through... 10
6.1 Low Voltage Ride-through... 10
6.2 High voltage Ride-through... 14
6.3 Continuous Low Voltage Ride-through... 15
7 Operational Adaptability... 16
7.1 Voltage Adaptability... 16
7.2 Frequency Adaptability... 16
7.3 Power Quality Adaptability... 17
8 Power Quality... 18
8.1 Voltage Deviation... 18
8.2 Voltage Fluctuation and Flicker... 18
8.3 Harmonics and Inter-harmonics... 18
8.4 Voltage Imbalance... 18
8.5 DC Component... 18
8.6 Monitoring and Governance... 18
9 Start-stop... 19
10 Relay Protection... 19
10.1 General Requirements... 19
10.2 Line Protection... 19
10.3 Low / high Voltage Protection... 19
10.4 Frequency Protection... 20
10.5 Anti-islanding Protection... 20
10.6 Residual Current Protection... 20
11 Power Prediction... 20
12 Electricity Metering... 20
Technical Requirements for Connecting Photovoltaic Power
System to Distribution Network
1 Scope
This document specifies the active power, reactive voltage, fault ride-through, operational
adaptability, power quality, start-stop, relay protection, power prediction, electricity metering,
communication and information, simulation model and parameter technical requirements for
photovoltaic power generation system connected to the distribution network, as well as grid
connection detection and evaluation content.
This document is applicable to the access, commissioning and operation of new or modified
(expanded) photovoltaic power generation systems with voltage levels of 10 kV and below and
three-phase grid connection. Photovoltaic power generation systems equipped with energy
storage may take this as a reference.
2 Normative References
The contents of the following documents constitute indispensable clauses of this document
through the normative references in the text. In terms of references with a specified date, only
versions with a specified date are applicable to this document. In terms of references without a
specified date, the latest version (including all the modifications) is applicable to this document.
GB/T 12325 Power Quality - Deviation of Supply Voltage
GB/T 12326 Power Quality - Voltage Fluctuation and Flicker
GB/T 13955 Installation and Operation of Residual Current Operated Protective Devices
GB/T 14285 Technical Code for Relaying Protection and Security Automatic Equipment
GB/T 14549 Quality of Electric Energy Supply - Harmonics in Public Supply Network
GB/T 15543 Power Quality - Three-phase Voltage Unbalance
GB/T 15945 Power Quality - Frequency Deviation for Power System
GB/T 17215.321 Electricity Metering Equipment (AC) - Particular Requirements - Part 21.
Static Meters for Active Energy (classes A, B, C, D and E)
GB/T 19862 General Requirements for Monitoring Equipment of Power Quality
GB/T 24337 Power Quality - Interharmonics in Public Supply Network
GB/T 32826 Guide for Modeling Photovoltaic Power System
GB/T 32892 Model and Parameter Test Regulation for Photovoltaic Power System
GB/T 33982 Technical Specification for Grid Connection Protection of Distributed Resources
GB/T 40595 Guide for Technology and Test on Primary Frequency Control of Grid-connected
Power Resources
DL/T 448 Technical Administrative Code of Electric Energy Metering
DL/T 614 Multifunction Electricity Metering Equipment (A.C.)
DL/T 634.5101 Telecontrol Equipment and Systems - Part 5.Transmission Protocols - Section
101.Companion Standard for Basic Telecontrol Tasks
DL/T 634.5104 Telecontrol Equipment and Systems - Part 5-104.Transmission Protocols -
Network Access for IEC 60870-5-101 Using Standard Transport Profiles
DL/T 645 Multi-function Watt-hour Meter Communication Protocol
DL/T 698.45 Data Acquisition and Management System for Electrical Energy - Part 4-5.
Communication Protocol - Object Oriented Data Exchange Protocol
3 Terms and Definitions
The terms and definitions defined in GB/T 12325 and GB/T 40595 and the following are
applicable to this document.
3.1 photovoltaic (PV) power generation system
A power generation system that utilizes the photovoltaic effect of solar cells to convert solar
radiation energy into electrical energy.
3.2 point of common coupling
The point where the photovoltaic power generation system is connected to the public power
grid.
3.3 point of connection
For a photovoltaic power generation system with a booster station, it is the bus or node on the
high-voltage side of the booster station; for a photovoltaic power generation system without a
booster station, it is the output aggregation point of the photovoltaic power generation system.
NOTE. see Appendix A for an illustration of the point of connection and point of common coupling.
3.4 response time
During the control process, the time required from receiving a control command or detecting a
change in the state quantity triggering the control operation, until the actual output change of
the observed variable reaches 90% of the difference between the control target value and the
initial value for the first time.
[source. GB/T 40289-2021, 3.13]
4 Active Power
4.1 Active Power Control
4.1.1 The photovoltaic power generation system connected to the grid through the 10(6) kV
voltage level shall be able to receive and automatically execute active power control command.
The absolute value of the control error shall not exceed 1% of the rated active power, and the
response time shall not exceed 5 s.
4.1.2 The photovoltaic power generation system connected to the grid through the 380 V
voltage level shall be able to receive and automatically execute active power control command.
4.2 Primary Frequency Modulation
4.2.1 The photovoltaic power generation system connected to the grid through the 10(6) kV
voltage level shall have the capability of primary frequency modulation.
4.2.2 When the frequency deviation of the power system exceeds the dead zone range of the
primary frequency modulation, the active power change of the photovoltaic power generation
system shall be calculated in accordance with Formula (1).
Where,
Pt---the variation of active power of the photovoltaic power generation system, expressed in
(MW);
kf---the active frequency modulation coefficient;
ft---the power system frequency, expressed in (Hz);
fN---the rated frequency of the power system, expressed in (Hz);
PN---the rated active power of the photovoltaic power generation system, expressed in (MW).
4.2.3 The active frequency modulation coefficient and dead zone range of primary frequency
modulation shall be determined by the power system dispatching institution in accordance with
the frequency modulation characteristics of the connected power system. The value range of
the active frequency modulation coefficient should be 10 ~ 50, and the dead zone range should
be (0.02 Hz ~ 0.06 Hz).
4.2.4 When the power system frequency is greater than 50 Hz, the limit of active power
reduction of the photovoltaic power generation system should be not less than 10% of the rated
active power.
4.2.5 When the power system frequency is less than 50 Hz, the photovoltaic power generation
system equipped with energy storage shall increase the active power, and the limit of the
increase in active power should be not less than 6% of the rated active power.
4.2.6 The response lag time of the primary frequency modulation shall be not greater than 1 s,
the response time shall be not greater than 5 s, the modulation time shall be not greater than 15
s, and the active power regulation deviation when the primary frequency modulation reaches
stability shall not exceed 1% of the rated active power.
5 Reactive Voltage
5.1 The reactive output range of the photovoltaic inverter shall be dynamically adjustable within
the rectangular frame shown in Figure 1.
5.2 The photovoltaic power generation system shall have multiple reactive power control modes,
including reactive voltage control, constant power factor control and constant reactive power
control, etc.
5.3 The photovoltaic power generation system shall have the capability of participating in
voltage regulation of the point of connection, and it is advisable to participate in voltage
regulation by adjusting its own reactive power and active power.
5.4 The power factor of the point of connection of the photovoltaic power generation system
shall be continuously adjustable within the range of 0.95 (leading) ~ 0.95 (lagging).
6 Fault Ride-through
6.1 Low Voltage Ride-through
6.1.1 When a fault occurs in the power system and causes the voltage at the point of connection
of the photovoltaic power generation system to drop, the photovoltaic power generation system
shall have the low voltage ride-through capability specified in Figure 2.The specific
requirements are as follows.
a) When the voltage at the point of connection of the photovoltaic power generation
system drops to 0, the photovoltaic power generation system shall be able to
continuously operate for 150 ms without being disconnected from the grid;
b) When the voltage at the point of connection of the photovoltaic power generation
system drops to 20% of the nominal voltage, the photovoltaic power generation
system shall be able to continuously operate for 625 ms without being disconnected
from the grid;
c) When the voltage at the point of connection of the photovoltaic power generation
system drops to more than 20% to 85% of the nominal voltage, the photovoltaic power
generation system shall be able to continuously operate without being disconnected
from the grid in the shaded area shown in Figure 2.
7 Operational Adaptability
7.1 Voltage Adaptability
7.1.1 When the voltage at the point of connection is between 85% ~ 110% of the nominal
voltage, the photovoltaic power generation system shall be able to normally and continuously
operate.
7.1.2 When the voltage at the point of connection is lower than 85% of the nominal voltage or
exceeds 110% of the nominal voltage, the photovoltaic power generation system shall meet the
requirements of 6.1 and 6.2.
7.2 Frequency Adaptability
7.2.1 The frequency adaptability of the photovoltaic power generation system shall meet the
requirements of Table 2.
8 Power Quality
8.1 Voltage Deviation
After the photovoltaic power generation system is connected, the caused voltage deviation of
the point of common coupling shall satisfy the requirements of GB/T 12325.
8.2 Voltage Fluctuation and Flicker
After the photovoltaic power generation system is connected, the caused voltage fluctuation
and flicker of the point of common coupling shall satisfy the requirements of GB/T 12326.
8.3 Harmonics and Inter-harmonics
8.3.1 The harmonic injection current of the photovoltaic power generation system to the point
of common coupling, to which, it is connected, shall satisfy the requirements of GB/T 14549,
among which, the allowable value of the harmonic current injected by the point of connection
of the photovoltaic power generation system into the power system shall be allocated in
accordance with the ratio of the installed capacity of the photovoltaic power generation system
to the total capacity of the power generation / supply equipment with harmonic sources at the
point of common coupling.
8.3.2 After the photovoltaic power generation system is connected, the caused inter-harmonics
of the point of common coupling shall meet the requirements of GB/T 24337.
8.4 Voltage Imbalance
After the photovoltaic power generation system is connected, the caused voltage imbalance of
the point of common coupling shall meet the requirements of GB/T 15543.
8.5 DC Component
The DC current component injected by the photovoltaic power generation system to the point
of common coupling shall not exceed 0.5% of its AC rated power.
8.6 Monitoring and Governance
8.6.1 The point of common coupling of the photovoltaic power generation system connected to
the grid through the 10(6) kV voltage level shall be equipped with a Class A online power
quality monitoring device that meets the requirements of GB/T 19862, and the power quality
monitoring data shall be kept for at least one year.
8.6.2 The point of common coupling of the photovoltaic power generation system connected to
the grid through the 380 V voltage level should be equipped with an online power quality
monitoring device that meets the requirements of GB/T 19862 or an equipment with online
power quality monitoring function, and the power quality monitoring data shall be kept for at
least one year.
8.6.3 When the power quality indicators of the photovoltaic power generation system do not
satisfy the requirements, power quality governance equipment shall be installed.
9 Start-stop
9.1 The power quality changes caused by the start-stop of the photovoltaic power generation
system shall satisfy the requirements of Chapter 8.
9.2 When the photovoltaic power generation system is started, the voltage and frequency of the
point of connection shall meet the requirements of GB/T 12325 and GB/T 15945, otherwise it
shall not be started.
9.3 Photovoltaic power generation systems connected to the grid through the 10(6) kV voltage
level shall resume grid connection after receiving a grid connection command from the power
grid dispatching institution.
10 Relay Protection
10.1 General Requirements
10.1.1 The protection configuration of the photovoltaic power generation system shall meet the
requirements of reliability, selectivity, sensitivity and speed, and meet the relevant requirements
of GB/T 14285 and GB/T 33982.
10.1.2 For photovoltaic power generation systems connected to the grid through the 10(6) kV
voltage level, disconnecting equipment that is easy to operate, can be locked, has a clear
disconnection point, has a grounding function, and can disconnect fault currents shall be
installed at the point of connection.
10.1.3 For photovoltaic power generation systems connected to the grid through the 380 V
voltage level, a switch that is easy to operate, has a clear disconnection indication, and has the
ability to disconnect fault currents shall be installed at the point of connection.
10.2 Line Protection
For photovoltaic power generation systems connected to the grid through the 10(6) kV voltage
level, current protection can be adopted on both sides of the grid connection line, and when
necessary, directional elements can be installed. When the action current setting value and time
limit coordination cannot satisfy the requirements of reliability and selectivity, distance
protection or longitudinal current differential protection should be adopted.
10.3 Low / high Voltage Protection
The low / high voltage protection of the photovoltaic power generation system shall meet the
requirements of 6.1 and 6.2.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
Tips & Frequently Asked QuestionsQuestion 1: How long will the true-PDF of English version of GB/T 29319-2024 be delivered?Answer: The full copy PDF of English version of GB/T 29319-2024 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice. Question 2: Can I share the purchased PDF of GB/T 29319-2024_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 29319-2024_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 29319-2024 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds. Question 5: Should I purchase the latest version GB/T 29319-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 29319-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. How to buy and download a true PDF of English version of GB/T 29319-2024?A step-by-step guide to download PDF of GB/T 29319-2024_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).
Step 2: Search keyword "GB/T 29319-2024".
Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart.
Step 4: Select payment option (Via payment agents Stripe or PayPal).
Step 5: Customize Tax Invoice -- Fill up your email etc.
Step 6: Click "Checkout".
Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively.
Step 8: Optional -- Go to download PDF.
Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice.
See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9
|