JB/T 5777.4-2000 General technical conditions and safety requirements for DC power supply equipment in power systems
Some standard content:
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2001-01-01
JB/T5777.4±2000||tt| |Foreword
1 Scope
2 Reference standards·
3 Definition·
4 Product classification.
5 General requirements.
6 Technical requirements.
7 Safety requirements.·
8 Structural and process requirements·
9 Test methods...|| tt||10 Inspection rules...
11 Marking, packaging, transportation, storage
.
12 Others
Appendix A (standard appendix)
Appendix B (Appendix of prompts)
Appendix C (Appendix of prompts)
Battery accident discharge capacity requirements and test methods Electromagnetic compatibility test
Charging and discharging operation process characteristics of DC power supply equipment.10
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+40
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JB/T5777.4±2000
this The standard is based on the revised part of the standards of the Machinery Industry Science and Technology Development Plan. The plan number is 98462205. It is based on the original ZBK45017-1990 "General Technical Conditions for DC Panels for Power Systems" and JB/T5777.4-1992 "Cadmium Nickel Battery DC for Power Systems". System Power Panel (desk, cabinet)" has been revised. The name of the revised standard is "General Technical Conditions and Safety Requirements for DC Power Supply Equipment for Power Systems".
When revising the original ZBK45017-1990 and JB/T5777.4-1992, this standard retains the requirements for DC power supply equipment in the applicable power system, modifies the inapplicable clauses, and is based on the development of science and technology. The characteristics of some high-tech products are supplemented with new content. The main ones are;
Charging device:
- Delete the technical requirements for magnetic saturation chargers whose technical indicators cannot meet the requirements of the power system; - For the technical requirements for phase-controlled charging devices, add The technical requirements for phase-controlled charging devices controlled by microcomputer are added: the technical requirements for high-frequency switching power supply charging devices are added. Batteries:
Added valve-regulated sealed lead-acid batteries and related performance requirements. Full screen function part:
Added the requirements for the "three remote" functions to adapt to the requirements of unattended substations and power system automation. Safety performance;
According to the International Electrotechnical Commission IEC61000-4 series electromagnetic compatibility and other standards, electromagnetic compatibility requirements are put forward for DC power equipment, and requirements for immunity and electromagnetic emission are added. 1MHz and 100kHz oscillatory wave immunity test: - Electrostatic discharge immunity test:
- Electrical fast transient pulse group immunity test: - Radio frequency electromagnetic field radiation immunity test: - Surge (impact) Immunity test:
Radio frequency field induced conducted disturbance immunity test: Power frequency magnetic field immunity test:
Damped oscillating magnetic field immunity test:
Voltage sag , Short-term interruption and voltage change immunity test: Electromagnetic emission limit value test (including conduction and radiation parts) test: Harmonic current, voltage flicker and fluctuation limit test. Appendix A is a standard appendix.
Appendix B is the appendix of the prompt.
Appendix C is the appendix of the prompt.
This standard replaces JB/T5777.4-1992 from the date of implementation. This standard is proposed and coordinated by the Standardization Technical Committee for Full Scale Relays and Protective Equipment. This standard is drafted by Xuchang Relay Research Institute. Units participating in the drafting of this standard: Xuchang Relay Research Institute, Xuji Group Power Supply Company, Henan Electric Power Survey and Design Institute, East China Electric Power Design Institute, North China Electric Power Design Institute, Shantou Automation Electrical Equipment Factory, Beijing Changhe Mechanical and Electrical Company, Nankong Communication Electrical Equipment Main factory, Shantou Tianjian Electronics Co., Ltd.
The main drafters of this standard: Han Tianxing, Bai Zhongmin, Li Quanxi, Yu Chongqian, Liu Baizhen, Lou Sheng, etc. II
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JB/T5777.42000
JB/T5777.41992
This standard specifies the Classification, general technical conditions, safety requirements, inspection methods, inspection rules, marking, packaging, transportation and storage requirements. This standard applies to DC power equipment (hereinafter referred to as the product) in power systems. This product is used in DC power systems in power plants, substations and other electrical equipment, safety automatic monitoring devices and communication circuits, as DC power supply equipment for control, signaling, communication, protection and DC accident lighting, power devices, etc. This standard is also applicable to other industries, such as DC power equipment used in factory substations in metallurgy, chemical industry, railway and other systems. This standard only applies to new products. bzxZ.net
Quoted standards
2
The provisions contained in the following standards constitute provisions of this standard by being quoted in this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the standard listed below. GB/T
GB/T
GB/T
GB/T
GB/T
GB/T
GB/ T
GB/T
GB/T
GB/T
GB/T
GB/T
GB/T| |tt||GB/T
GB/T
GB/T
GB/T
2900.1-1992
Basic terminology of electrical engineering terms|| tt||2900.11-1988
2900.17-1994
2900.32-1992
2900.33-1993
6113.1-1995
7261-1987||tt| | 7266-1987 | | tt | Electrical Terminology Power Electronics Technology (neqIEC60050(551):1982) Specification for Radio Interference and Immunity Measuring Equipment Basic Test Methods for Relays and Relay Protection Devices Basic Dimensions of Electrical Consoles for Secondary Circuits of Power Systems Basic Dimensions of Electrical Control Protection Panels for Secondary Circuits of Power Systems Vibration (sinusoidal) test of basic size series relays and relay protection devices of cabinets (eqVIEC60255-21-1: 1988) 11287-2000
14537-1993
Measuring the impact and impact of relays and protection devices Collision test (egvIEC60255-21-2: 1988) Limit of harmonic current emitted by low-voltage electrical and electronic equipment (input current per phase of equipment ≤ 16A) 17625.1-1998
17626.2-1998
(idtIEC61000 -3-2:1995)
Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test (idt IEC61000-4-2:1995)
17626.3-1998 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field Radiated immunity test (idt IEC61000-4-3:1995)
17626.4-1998 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group oscillation wave immunity test (idt IEC61000-4-4:1995 )
Surge (impact) immunity test
Electromagnetic compatibility testing and measurement technology
17626.5-1998
(idt IEC61000-4-5:1995)| |tt||3 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity test 17626.6-1998
(idtIEC61000-4-6:1996)
2000-11-29|| tt||2001-01-01
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JB/T5777.42000
GB/T17626.8-1998 Electromagnetic compatibility test and measurement technology power frequency magnetic field immunity test (idtIEC61000-4-8:1993)
GB/T17626.10-1998 Electromagnetic compatibility test and measurement technology damped oscillation magnetic field immunity test (idtIEC61000-4-10:1993)
GB/T17626.11-1998 Electromagnetic compatibility test and measurement technology voltage sag, short interruption and voltage change immunity test (idtIEC61000-4-11:1994)
GB/T17626.12-1998 Electromagnetic compatibility test and measurement technology oscillatory wave immunity test (idtIEC61000-4-12:1995)
JB/T 5777.3-1991
Electricity Basic experimental methods for control and relay protection screens (cabinets, tables) for system secondary circuits GB/T17625.2-1999 Electromagnetic compatibility limits for voltage fluctuations and flicker limits for equipment with a rated current not greater than 16A in low-voltage power supply systems Value (idtIEC6100-53:1994) 3 definition
The definitions of terms used in this standard are in line with GB/T2900.1, GB/T2900.11, GB/T2900.17, GB/T2900.32 and GB/T2900 .33 provisions. In addition, this standard uses the following definitions. 3.1 Initial charge (constant-current) boostcharge (constant-current) charges the battery when the charging device is disconnected from the load. Its charging current should remain stable within the charging voltage range and comply with the technical requirements of the battery.
3.2 Floatingcharge
Connect the battery and load to the DC output end of the charging device at the same time, and the output voltage remains stable within the load current range. During normal operation, the charging device bears the regular load and at the same time recharges the battery pack to supplement the self-discharge of the battery so that the battery is in standby at full capacity.
3.3 Equalizing charge equalizingcharge
The charging performed to compensate for the voltage unevenness caused by the battery during use and restore it to the specified range is called equalizing charge. Supplementary charging after the battery is accidentally discharged is also called equalizing charging. 3.4 Ripple factor ripplefactor
The difference between the peak value and the valley value of the pulsating DC power (or peak-peak value), and the ratio of the average value of the DC power. 3.5 Electromagnetic compatibility (EMC) electromagneticcompatibility The ability of equipment or systems to work normally in their electromagnetic environment without causing impermissible electromagnetic disturbance to anything in the environment.
3.6 Electromagnetic disturbance electromagnetic disturbance Anything that is likely to deteriorate Electromagnetic phenomena in the performance of devices, equipment or systems. 3.7 Electromagnetic immunity electromagnetic interference refers to the degradation of devices, transmission channels or systems caused by electromagnetic disturbance. Note: Harassment and immunity refer to causes and consequences respectively. 3.8 Immunity (toadisturbance): The ability of a device, equipment or system to operate without degradation in the presence of electromagnetic disturbance. 3.9 Severity level severitylevel
The value that affects the electromagnetic quantity specified in the immunity test. 2
3.10 common mode voltage
commonmodevoltage
JB/T5777.42000
Between each conductor and a specified reference point (often the earth or the rack ) is the average value of the phasor voltage that occurs. 3.1 Differential mode voltage differentialmode voltage is the voltage between any two conductors in a specified set of effective conductors. 3.12 Radio immunity radiointerference is the electromagnetic immunity in the radio frequency band.
3.13 Conducted interference electromagnetic immunity that propagates along a wire.
3.14 Radiated interference Electromagnetic immunity that propagates through space in the form of electromagnetic waves. 4 Product Classification
4.1 Product Model and Meaning
The model number of DC power supply equipment should be compiled in the following prescribed manner. When the charging device and feed screen in DC power supply equipment are produced separately, the model number The preparation method should be carried out in accordance with relevant standards.口
Note
口
口
/
Voltage level
Battery capacity
Design serial number||tt| |Charging device type
DC power supply (for power system) (Z)
Equipment structure form
1 Voltage level: The rated voltage output by the equipment, expressed in Arabic numerals, generally 220 ,110,60,48,24(V). 2. Battery capacity (Ah): Amp hours are expressed in Arabic numerals. 3 The type of charging device is represented by the following letters: G - high-frequency switching charging device (composed of high-frequency switching power supply module): w - microcomputer type machine-controlled charging device:
- integrated circuit type phase-controlled type The structural form of the charging device 4 is represented by the following letters: P - screen;
G - cabinet.
4.2 Product specifications and parameters
Product specifications and parameters are stipulated by enterprise product standards. 4.3 Product appearance dimensions
The product appearance dimensions are stipulated by the enterprise product standards. The following appearance dimensions can be given priority: 2200mm×800mm×600mm (excluding brow height 60mm). 4.4 Product weight
Product weight is stipulated by enterprise product standards. 5 General Requirements
5.1 General Requirements
JB/T5777.42000
Products should comply with the provisions of this standard, and complete drawings and technical documents should be approved and manufactured in accordance with the prescribed procedures 5.2 Standard test conditions
See Table 1 for standard test conditions.
Table 1 Standard test conditions
Influencing quantities and influencing factors
Ambient temperature
Atmospheric pressure
Relative humidity
Working position| |tt||℃
kPa
5.3 Standard limit values ??of the nominal range of influencing quantities and influencing factors. See Table 2 for the standard limiting values ??of the nominal range of influencing quantities and factors. Standard test conditions
1535
86~106
45%~75%
Vertical installation, no more than 2 in any direction
Table 2 Influence quantity And the nominal range limit value of the influencing factors, the influencing quantity and influencing factors
Ambient temperature ℃
Atmospheric pressure kPa
Relative humidity
Working position
5.4 Other requirements for the place of use
Nominal range
-5~+40, 0~45, -10~+50(+55)
The 24h daily average temperature does not exceed 35 ℃
80~110
The monthly average maximum relative humidity of the wettest month is 90%, and the monthly average minimum temperature of that month is 25℃, with no condensation on the surface, and the maximum temperature is 40℃ , the average maximum relative humidity does not exceed 50%.
deviates from the reference position by 5° in either direction.
a) The use place shall not have vibration and impact values ??exceeding the severe vinegar level I specified in GB/T11287 and GB/T14537; b) The use place shall not have explosive hazardous media, and the surrounding media shall not contain corrosive metals and gases and conductive media that destroy insulation, and water vapor and serious mold are not allowed to exist: c) The use site should have facilities to protect against rain, snow, and sand: d) The use site should not exceed 0.5mT external magnetic field induction in any direction strength. 5.5 Ambient temperature extreme range limit value
The ambient temperature extreme range limit value is -25℃ and +65℃. Under the conditions of transportation and storage, the product should be able to withstand the temperature limit within this range without adding any stimulus, and should not suffer irrecoverable damage. 5.6 Basic technical parameters
5.6.1 Input rated voltage and frequency
Three-phase voltage: 380V±10%, 50Hz±2% Single-phase voltage: 220V±10%, 50Hz±2%5.6. 2 Output DC rated voltage: 220, 110, (60), 48, (24) V. 4
JB/T5777.42000
5.6.3 Rated output DC current of charging device: the following values ??should be used preferentially: 2, 5, 10, 20, 30, 50, (80), 100, 160, 200, 250, 315, 400, 630A.
5.6.4 Rated capacity of storage battery: the following values ??can be used preferentially: 10, 20, 40, 80, 100, 150, 200, 250, 300, 350, 400, 600, 800, 1000, 2000, 3000Ah. 6 Technical requirements
6.1 Charging device
6.1.1 Classification
a) Magnetic saturation charging device (this standard does not specify its technical requirements); b) Phase-controlled thyristor charging device (integrated circuit type, microcomputer type); c) High-frequency switching power supply module charging device. 6.1.2 Technical conditions
6.1.2.1 Functional requirements
a) The charging device should have the functions of initial charging, floating charging, and equalizing charging; b) The microcomputer-type charging device should also have the function of automatic switching of the operating mode; c) It should have overcurrent, overvoltage and other protection functions; d) It can have "three remote" functions or communication interfaces as needed. 6.1.2.2 Charging characteristics
The charging characteristics of the charging device should meet the requirements of the type of battery and the manufacturer. The charging characteristics are shown in Figures 1 and 2. u.I
Figure 1 Nickel-cadmium battery
u.IA
Figure 2 Lead-acid battery
6.1.2.3 Technical parameters of voltage stabilization accuracy, current stabilization accuracy, and ripple coefficient The technical indicators of voltage stabilization accuracy, current stabilization accuracy, and ripple coefficient of various charging devices (including floating charging and equalizing charging) should not exceed the requirements of Table 3.
Table 3 Technical requirements for voltage stabilization accuracy, current stabilization accuracy and ripple factor Working principle
Integrated circuit phase-controlled type
Microcomputer phase-controlled type
Switching power supply type
Voltage stabilization accuracy
±2%
±1%
±0.5%
Current stabilization accuracy
±2%
±1%
±0.5%
Ripple factor
5%
4%
1%
a) Voltage stabilization accuracy
JB/T5777.42000
When the AC input voltage is the rated voltage ±10% and the load current is between 0 and 100% of the rated value, the voltage stabilization accuracy of the output voltage of each type of charging device within the voltage regulation range specified under different operating modes shall comply with the provisions of Table 3. The voltage regulation accuracy should be calculated according to formula (1): Ux -Uz×100%
Ug
Us-voltage regulation accuracy:
U,
U,-the set value of the output voltage of the charging device; (1)
U-the limit value of the output voltage of the charging device when the AC input voltage is in the range of rated voltage±10% and the load current varies in the range of 0~100% of the rated current.
b) Steady current accuracy
When the AC input voltage is within the rated voltage ±10%, the output current is set to 10%~100% of the rated value, and the charging voltage is within the specified voltage variation range. The steady current accuracy of the charging device shall comply with the provisions of Table 3. The steady current accuracy is calculated according to formula (2): Im-Iz
a=
x100%.
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I-Steady current accuracy:
Iz-Set value of output current:
（2）
Is-The limit value of the output current of the charging device when the input voltage is within the rated value ±10% and the charging voltage varies within the specified range. c) Ripple coefficient
In the voltage regulation state, when the input voltage is the rated voltage and the rated voltage ±10%, and the load current varies within the range of 0 to 100% of the rated value, when the load of the charging device is a pure resistance load, the ratio of the peak-to-peak value of the output voltage pulse to the average value of the DC output voltage shall not exceed the provisions of Table 3. The ripple coefficient is calculated according to formula (3): Peak-to-peak value of output voltage pulsation
1
Ripple coefficient = -
Average value of DC output voltage| |tt||6.1.2.4 Voltage limiting characteristics and current limiting characteristics
a) Voltage limiting characteristics:
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1) Voltage limiting stability range: It can be selected within the range of 105% to 145% of the rated voltage: (3)
2) When the charging device is operating in a steady current state, when the output DC voltage exceeds the voltage limiting setting value, the device should be able to automatically limit its output voltage:
3) Voltage limiting characteristics voltage stabilization accuracy: Its voltage stabilization accuracy should meet the requirements of 6.1.2.3 and be 1.5 times. b) Current limiting characteristics:
1) The current limiting setting range is 50% to 110% of the rated output current: 2) When the charging device is operating in a steady voltage state (including floating charge and balanced charge state), when the load current exceeds the current limiting setting value: The device should be able to automatically limit the output current:
3) Current limiting characteristics current stabilization accuracy: Its current stabilization accuracy should meet the requirements of 6.1.2.3 and be 1.5 times. 6.1.2.5 Stable voltage regulation range
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I - steady current accuracy:
Iz - the setting value of the output current:
(2)
Is - the input voltage is the rated value Within the range of ±10%, the limit value of the output current of the charging device when the charging voltage changes within the specified range. c) Ripple coefficient
In the stable voltage state, the input voltage is the rated voltage and the rated voltage ±10%, and the load current changes within the range of 0~100% of the rated value, when the load of the charging device is a pure resistor When under load, the ratio of the peak-to-peak value of the output voltage pulse amount and the average value of the DC output voltage should not exceed the requirements in Table 3. The ripple coefficient is calculated according to formula (3): the peak-to-peak value of the output voltage pulse amount || tt||1
Ripple coefficient =-
average value of DC output voltage
6.1.2.4 Voltage limiting characteristics and current limiting characteristics
a) Voltage limiting characteristics :
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1) Voltage limiting stability range: can be selected within the range of 105% to 145% of the rated voltage: (3)
2) The charging device is in a steady current state During operation, when the output DC voltage exceeds the voltage limiting setting value, the device should be able to automatically limit its output voltage:
3) Voltage limiting characteristics and voltage stabilization accuracy: Its voltage stabilization accuracy should meet the requirements of 6.1.2.3 1.5 times . b) Current limiting characteristics:
1) The current limiting setting range is 50% to 110% of the rated output current: 2) The charging device operates in a stable voltage state (including float charging and balanced charging states). When the load current exceeds the current limit setting value: the device should be able to automatically limit the output current:
3) Current-stabilizing accuracy of current-limiting characteristics: Its current-stabilizing accuracy should meet 1.5 times the requirements of 6.1.2.3. 6.1.2.5 Stable voltage adjustment range
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I - steady current accuracy:
Iz - the setting value of the output current:
(2)
Is - the input voltage is the rated value Within the range of ±10%, the limit value of the output current of the charging device when the charging voltage changes within the specified range. c) Ripple coefficient
In the stable voltage state, the input voltage is the rated voltage and the rated voltage ±10%, and the load current changes within the range of 0~100% of the rated value, when the load of the charging device is a pure resistor When under load, the ratio of the peak-to-peak value of the output voltage pulse amount and the average value of the DC output voltage should not exceed the requirements in Table 3. The ripple coefficient is calculated according to formula (3): the peak-to-peak value of the output voltage pulse amount || tt||1
Ripple coefficient =-
average value of DC output voltage
6.1.2.4 Voltage limiting characteristics and current limiting characteristics
a) Voltage limiting characteristics :
2
1) Voltage limiting stability range: can be selected within the range of 105% to 145% of the rated voltage: (3)
2) The charging device is in a steady current state During operation, when the output DC voltage exceeds the voltage limiting setting value, the device should be able to automatically limit its output voltage:
3) Voltage limiting characteristics and voltage stabilization accuracy: Its voltage stabilization accuracy should meet the requirements of 6.1.2.3 1.5 times . b) Current limiting characteristics:
1) The current limiting setting range is 50% to 110% of the rated output current: 2) The charging device operates in a stable voltage state (including float charging and balanced charging states). When the load current exceeds the current limit setting value: the device should be able to automatically limit the output current:
3) Current-stabilizing accuracy of current-limiting characteristics: Its current-stabilizing accuracy should meet 1.5 times the requirements of 6.1.2.3. 6.1.2.5 Stable voltage adjustment range
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