This part of GB/T 2900 specifies the terminology for planning and management of power systems in the fields of power generation, transmission and distribution. GB/T 2900.58-2002 Electrical terminology Power generation, transmission and distribution Power system planning and management GB/T2900.58-2002 Standard download decompression password: www.bzxz.net

rCs 01. 040. 29
National Standard of the People's Republic of China
CB/T 2900.58—2002/TEC 60050(603): 1986Electrotechnical terminology-Generation, transmission and distribution of electricity-Power system planning and management managcmcnt(IFC60050(603):1986,IDT
200208-05Released
People's Republic of China
Mongolian Quality Supervision and Inspection Bureau
2003-01-01Implementation
1National Standard
2Standardization and Management of Power System
%1Power System Observation and Planning
2.2Network Computing
2-3Power System Stability
2.4Power System Control|| tt||3.5 Power system reliability.
2..Economic remote operation...
English content
GB/T2900.58—2092/IFA:6005C<603):1986
GD/T2900.582002/EC60050(603).1986Foreword
The vehicle is divided into: 00 International Electrotechnical Commission for Power Generation, Transmission and Distribution, Power System Management 3 and its first revision ATunt1:us formulated, among which right? The definition of terms in this article is based on the latest published standard TFC:00:C(19\):1R9 of the Beijing Electrician Association and is consistent with the above standards. The technical content is consistent with the above standards. 16005019:1998 National Standard Electrician Consulting Jiang
This part is a series of national standards for power generation, power supply and information systems. This series of standards is mainly based on the first Department or, GB/3 (heart.51198 electrical terminology power generation peak power and distribution general technical spectrum 3Gn/T39n6.E2-2300 electrical technology to power generation. Transmission and distribution power generation 3 heart 200.2002 power generation, transmission and distribution operation! Power plan system planning and with the current
B/2900=8-2002 electrical language power generation, transmission and distribution GB/T290 (.552192 electric 1 technology continuous power generation, Transmission and distribution This part is proposed by the Central Electric Power Enterprises Association: the National Electrical Terminology Standardization Technical Committee is responsible for the meeting. Substation
The responsible units of this part are China Academy of Power Science and Technology and Mechanical Science Research Institute. The main authors of this part are Lin Chou, Yang Fa, Yue. 1 Scope
GD/T2900.582Q02/1EC6005Q(6032:1986 Electrical Terminology
Generation: Transmission and Distribution
Power System Planning and Management
This part of H/ specifies the terminology for the regulation and management of power systems in the field of generation, transmission and distribution. ? Power System Planning and Management
2-1 Power System Planning
Power System Planning powersystemplanning comprehensively demonstrates the technical and economic aspects and proposes a development plan for the power system. 2. 1. 2
Load density
The ratio of load to area in a given power supply area. 2.1.3
Load center
A point in the power supply area where the sum of the products of each load in the power supply area and its distance to the point is the minimum. 2.1. 4
Load forecast
An estimate of the expected quality of the power grid. 2. 1. 5
Generation forecast
Generation cost forecast
An estimate of the physical cost of the power system in the future. 2.1.6
The maximum load that can be transmitted by the interconnection line under certain conditions, determined according to the physical and electrical characteristics of the system interconnection line. 2. 1.7
Short-circuit allowable value short-circuit current is the allowable capacity of a short circuit current in an emergency. 2.2 Power grid calculation
Power grid calculation is the calculation of the state change of the power grid based on the lack of system parameters and their known states. 2.2.2
System state variables systemstatevarlables are the variables related to the electrical state of the system, such as voltage, current, power, charge, flux, etc. GB/T 2900.E --2002/1HC G005CG33:19862.2.3
System parameters; system steady state: indicates the constant value of the system element characteristics, such as current, admittance, transformation ratio, etc. 2.2. 4
Network topology network network diagram network diagram network topology ... 2. 2.7
System transient state transient state of a system will have at least one state change blood is being stabilized (the grid operation state when the whole scale is connected) 2 2. 8
Load flow calculation load flow calculation The calculation of the load flow of the two nodes, the original power and the output power of each node and the node power of the fixed value have been measured. 2.2.9
State estimation sluterslimatiun
The most likely current and voltage in the grid at a specified time are calculated by solving the nonlinear equations formed by the image excitation measured by the fixed residual:
Short-circuit calculation shurlireuileulcnlaion calculation The power and voltage of the medium-frequency circuit of the normal grid, 2. 2, 11
Equivalent network cquivalent network
A given two alternative grids whose state variables of the fixed boundary nodes remain unchanged. 2.2. 12
Network transformationnetworkconveryiennelwarktranyrormationTest individual network potential enterprise report times shock calculation equivalent network potential 2.2- 13
Polygonal conversionxtar-polygontonversion;slarpolygnnIransforatlonA network with reduced number of nodes and flat
AY transformationdelta-wyeomnsersionedeita-startransforinatinnA network with reduced number of nodes
Active networkaeivawrk
Network with self-voltage source (or) current source, 2.2.16
Network without songpagsiveHetwork
Both optical voltage source and current source dragon network, 2.2. 17
Light source equivalent networksyegialetnetworkThe equivalent network is obtained after the system parameters are transformed. 2. 2. 18
G:B/T2900.58—2002/1EC:60050:603>;1986Bebanned state of a polyphase networkThe state in which the voltage and current in each phase conductor form a balanced multiphase network. 2-2.19
Unbalanced state of a polyphase networkThe state in which the voltage and current in each phase conductor form a balanced multiphase network. 2.2.20
Series impedancesseries lanpedanceslongitudinal impedanceThe impedance between the phase ends of a network element under the condition of equal value. 2.2.21
Shunt admittance shuntadmittunec
etc. is the admittance between the sum point and the reference terminal in the two-band network of network elements. 2. 2. 22
Fault impedance faultlnpedance
The reactance such as arc discharge at the fault point between the conductor of the at-fault phase and the ground, or between the conductors of one fault phase itself at the fault point. 2.2-23
Line surge impedance surgeimpedanct ofa Hne is equal to the ratio of the voltage to the average current of the traveling wave on the infinite length line of the specified line. 2. 2.24
The natural power of the line is matiralInadnfatine the main line capacity and the heart exhaustion, and the power of the north power is half balanced and can be reduced to a pure positive state. The power 2.2.25
part of the conductor of the line continuously discharges the power path pnrlialoonluctor)cnnlinuityfauiltcurent to another point and the power ends at a given point in the power grid. 2.2.2E
Partial-circuit current partialshirt-circuil eurrcntThe current flowing through a designated point in the power grid from another short-circuit point, 2- 2-27
[Conductor continuous fault current (condnctor) continuityraultcurrentThe outflow of the final continuous fault conductor
short-circuit short-circuitcurrrnt
through the short-circuit point,
referencepointreferenceode
A node in the power grid, the phase of the voltage at this node is determined in the inverse plane, and the state variables of other nodes are determined according to the voltage characteristics of this node.
Infinite bus infimilebus
A node in the power grid, the value-added, position and frequency of this node are preset - under various operating conditions, the machine is maintained. GR/T 2900.582002:IEC 50050:603).1962.2.51
A node in the power grid·The ratio of the human defense rate makes the power grid's throw-off point-injected human tooth rate and the total internal rate of the human defense rate balanced, 2. 2. 32
Slack node slackbus
An unmanned busbar with a preset self-pressure start, the network may be a whole node and a balancing node, 2.2-33
Negative medicine node lnedhus
FQ node PQhus
Australia first given? 2.2.34
voltage control node vullagecontrulledhus two nodes with power and power value 2.2.35
passive node passivebus
node with power and power and need. 2.2.36
correlation matrix inrhlencemelriz
the library of the final topology, such as branch-node correlation matrix calculation, branch network disorder correlation matrix order. 2.2.37
node admittance matrix buyaadrnittancematrix;Ybuymalriz describes the matrix of the node current and voltage relationship. 2.2.38
The node impedance matrix husimperancemalrixZbusmaris refers to the inverse of the node admittance matrix Y:
mesh impedance matrix
teshimpedamcematrix
describes the relationship between the node voltage and the mesh current. 2.2.40www.bzxz.net
redundaneyFactor
Table-values ​​that can be used to indicate network status:2
Branch:
--Redundancy factor:
Grid efficiency:
Total grid efficiency
2.3 Power demand determination
Power system stability
E power system stahilily
The ability of a power system to maintain stable and efficient operation after being subjected to a disturbance (such as a change in ratio or impedance, etc.). 2. 3. 2
steady slate slability of a power system systerd1
GB/T2900.582C02/2EC6005C(603):1986A type of potential stability of a power system, whose momentum and (or disturbance rate of change) are relatively small. 2- 3. 3
Standard stability of a power systemA type of stability of a power system, whose momentum and (or disturbance rate of change) are relatively small. 2.3.4
Condltional stability of a power systemCondltional stability of a power systemA type of stability of a power system that can be achieved by automatic control2- 3. 5
Inherent stability of a power systemInherent stability of a power systemA type of stability of a power system that can be achieved by automatic control2. 3. E
intermal stability 2.3.7
angle af devistion hetween two emf's phase angle difference
phase angle between the emf's of a constant current motor and the phase angle between the emf's of a constant current motor and the emf's of a constant current motor 2.3.8
swing curve swingrre
the curve of a certain system state change over time after the system is started 2.3.9
load stability
the ability of a load-carrying machine to maintain a stable operating state after it is started 2.3. 1C
System state variable determines the limit value of the system state variable, if this value is exceeded, the system stability will be destroyed: For the power system without release and the stability of the system, 2.3.11
Stalility margin of a system state variable
Stalility margin of a system state rariahleAccording to the difference between the actual value of the system state variable and its stability limit value, the stability limit is expressed as
Stability margin of a system state variable is the difference between the actual value of the system state variable and its stability limit value. 12
Project position
System state variable is in the operating range within the long-term store support limit: 2.3.13
Motor synchronous operationsynchrunuuspurntiunufamelintThe available machine is in the ideal operating state connected to the power grid, and its power consumption corresponds to the core specification card. Design: Under actual conditions, there is a slight drop compared to the internal flow process. 2.3.14
System synchronous operation
sncbruiusuperttunofnssen
System state in which all the generators in the system are operating synchronously. 2.3.15
Synchronous motor asynchronous pertknofaaynchrunuunwhinCET2900.52--2002/1kC:6005C(503):1986 Non-interval operation state of synchronous motor: The total torque is equal to the motor torque; for one step out of the pre-operation machine, the start-up is greater than the start-up.
When the synchronous motor is running, the phase difference between two or more step machines increases, and the next step or one step can be restored to the previous state.
The oscillation of the synchronous motors in parallel is the separation of the synchronous motors in parallel. At this time, the phase angle difference of the electromotive force of these motors is on both sides of its average value. 2. 3. 18
The synchronization of two systems is to match the system power and voltage in order to be able to switch to parallel. 7. 3.19
Self-synchronization sef-ynchroaizatiom
A self-synchronization and self-excitation motor is the same as the motor, that is, the system is replaced by the time you or the life of the person, that is, the light excitation compensation, 1 system implementation,
resynchronization synchronisnrestaralian step by step synchronization in the process of fast operation: 2.3. 21
Production pwe\system instability
Power system technical stability
The power system is affected by the problem, can not reach your original or new state. Let: can! My,
Standard 2: The standard does not include the non-repayable 52CG (G4)-01-15), 2. 3. 22
Standard-slate instability (power system) steady-slate instability (ofajgyrersysten) power system lacks proof of static stability:
Let 1: The steady-slate instability is generally called the power transmission of the power, 2: The steady-slate instability is at least the power transmission of ... Juice: Please do the road or use the resistance to change can be recognized as the total large dynamic, 2. 3.24
against chrysanthemum instability (all systems) nseillatnryinslahilityefpwcrsys:cm) dynamic instability (power system) dyamicinstahililytopowtr*sysstem Ding resistance it does not thank the conductive close system board fall · This report does not necessarily cause a large step Note: In the recording distance is not specified and the distribution of a home machine active power to the installed transfer note is the conduction effect. 2.4 Power system control
small power system management powersystemmanagenent to make the power generation, screening and Kai power equipment operate effectively to fully ensure the safety, reliability and economy of the book. 2.1.2
Generation schedule
The operation schedule of the generating equipment within the specified period. 2.4.3
System demand control sygtemdemandcnntral The system demand control ... syetcm) the power generation units coordinate the active rate of the whole system 2.4.6
power/frequency regulation
power/frequencycomtrol
limits the changes of the system frequency and the changes of the total active power of the interconnected systems, and the secondary lake of the active power of the generator units,
adaptivecentrnl
state performance changes at any time to optimize certain operating conditions. It is a secondary training 2.4. B
machine characteristic druupuf ase!
the ratio of the change of the quality rate standard and the change of the power standard. Where is the nominal frequency, is the rated power of the original machine:
a = a//f1(aP/P3
to system static characteristic droopofnsysterm
the ratio of the change of the power system frequency standard and the corresponding change of the active power demand standard value: 2.4.13
system power/frequency regulation characteristicregulatinyrnergyefasyslem;puwer/freyureiieychnrieteristlethe ratio of the change of the system active power demand and the corresponding change of the power system when there is no secondary frequency regulation, 2.4. -1
regulation power rangecontrolllnpoferrangethe sum of the active power demand changes of the system regulator, 2.4. 12
Synchronous adjustment
The time of synchronization indication.
Synchronous time deviation levhalonnrsynchr'ananisLineThe full difference between the step time and the standard time.
Static load characteristics steady-stateJcadchararleristicUnder the test state, the relationship between the load power and the load end voltage or rated current, GB/T2900.582002/1FC60050<603):19862.4.15
Disc load characteristics 1rfnsienlluxlchnracleristicUnder the temporary change, the relationship between the load test power and the load end output voltage regularity, 2. 4.15
Power regulation coefficient powr-regulatinacoefticnlfload power voltage static load characteristics, the first-order conduction effect of the rate on the voltage 2.4. 17
Scheduled operation (generator set) scheduledoperattonic generatinggct Within the specified run-time, specify one of the generators to connect to the predetermined constant negative or load curve operation. 2.4.18
Secondary power regulation operation (generator set! (sceandary) powercontroloperationoageningage1) The power generated by the generator is reversed according to the instructions of the secondary power supply. 7.4.19
Regulation range (generator set) ronim) range (cfgereralingsri) The regulation of the active power of the power-adjustable generator set. 2.4.20
Basic negative code unit plastic eludet
According to the economic operation requirements. The generator that is continuously guided close to full load, 2.4.21
Regulated load unit controllabiles center t According to the permitted operation requirements, the generator set that is recommended according to the power supply requirements of the power grid is adjusted. 2.4.22
Peak load bearing unit peak lond set
In the peak load of the power grid, the generator unit with discontinuous operation shall be 2.4.23
Voltage regulation vnltagecontral
Adjust the core positive compensation to within the specified range.
Voltage country vuluugeuunp
Under the specified operating conditions, the peak load bearing unit peak lond set
In ... 2.4.26
Horizontal voltage regulation quadralure (voltage) control medium voltage regulation with additional variable speed medium voltage regulator, 2.4.27
#reactive-power voltage regulation
reactive power voltage regulation by adding reactive power to the whole system. 2.4.28
reactive power regulation
reactive power regulation by adding reactive power to the whole system. CB/T2900.58—2002/[EC 6D050:603>:1986 Reactive power regulation by adding reactive power to the whole system. 2.4.30
Shunt compensation shunt ...32
Island (power system) island (irawersyeum> output system part This part and the rest of the system are disconnected, but still keep running, 2.4. 33
Reduced fish pseudo Iradyheddingy
In abnormal operation conditions, remove some loads from the independent system to maintain the operation of the rest of the system
Island operation isnlalelmerlliul
After the core is disconnected, the power system parts return to short-circuit compensation operation. 2.4.35
Separkmelwark 2.4.36
Parallel operationparallelopcration
Network operation of a network of interconnected power systems or interconnected operation of power components (such as lines, transformers, generators). 2.4.37
Interconnected operationinterunoeeled operationThe operation of a network of interconnected power systems through lines, transformers, or interconnected stations that can exchange power. 2.4. 38
Network partial operationrinyoperationfaparl af networkwurkThe operation mode in which a network can use one or more power sources to supply electricity from two different lines. The third operation mode is called:
"Closed loop"
If only one point in the network is powered by two lines, only one point in the network can be powered by one of the two lines. Network partial radiation operation
Fnidlial operation(uf 2.2.40
ringclosing
converts from radial operation to ring operation or vertical ring connection. 2.4.41
ringopening
converts from radial operation to radial operation to disconnection of ring connection.
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