Download IID System Impact Study Data Requirements

IID System Impact Study Data Requirements
System Impact Studies typically includes power flow, stability, and short circuit analysis.
IID may determine that one of these analyses is not required.
Power Flow
Stability
Short circuit
PSLF version to be used for the Power Flow Study:
PSLF 14.2
PSLF 15.1
A) Power Flow System data
Please provide the following information. If additional space is needed, for example
multiple load and line additions, please copy the form.
1) Project Name
What is the name of the project?
(Please provide 3 different alternatives)
Alternative 1.
Alternative 2 .
Alternative 3.
2) Project One-Line Diagram
Please provide a simplified 1-line diagram of the facility (ies) to be studied.
3) Will this project be completed in phases?
Yes
No
4) If yes, what year or year(s) should be modeled for each phase?
5) If no, what is your proposed in-service date?
6) What season you propose to be modeled? (Please mark boxes with an “X”)
Season
Spring
Summer
Autumn
Winter
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Heavy Condition Light Condition
7) Provide a map with geographical location of the new generation project and
distances between the project and other important points in the area.
(Please attached to this form)
8) Propose Point of Interconnection to the IID System (Station and kV):
9) Energy Delivery Point (Control Area, Substation and kV):
10) Is the project a peaking or base load project?
11) Provide the company’s name owner of this generator:
12) Should internal IID generation be reduced to offset project in the post project
condition?
13) Should this project energy be exported to other Control Area?
Yes
No
14) If yes, which Control Area, Substation and kV?
15) EQUIPMENT DATA. (Nameplate data is acceptable also)
Generator A:
Generator Data
MW
MVAR
Power Factor
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Peak Min.
ANNUAL
Peak Max.
Off Peak Min.
Off Peak Max.
Generator B:
Generator Data
MW
MVAR
Power Factor
Peak Min.
ANNUAL
Peak Max.
Off Peak Min.
Off Peak Max.
Peak Min.
ANNUAL
Peak Max.
Off Peak Min.
Off Peak Max.
Peak Min.
ANNUAL
Peak Max.
Off Peak Min.
Off Peak Max.
Load 1:
Generator Data
MW
MVAR
Power Factor
Load 2:
Generator Data
MW
MVAR
Power Factor
Generator Step-up Transformer 1:
Low Side Voltage (kV)
MVA Base (MVA)
Continuous Rating (MVA)
Number of Transformers
High Side Voltage
Reactance (p.u.) or %
Emergency Rating (MVA)
Transformer Connection
Generator Step-up Transformer 2:
Low Side Voltage (kV)
MVA Base (MVA)
Continuous Rating (MVA)
Number of Transformers
High Side Voltage
Reactance (p.u.) or %
Emergency Rating (MVA)
Transformer Connection
System Step-up Transformer:
Low Side Voltage (kV)
MVA Base (MVA)
Continuous Rating (MVA)
Number of Transformers
High Side Voltage
Reactance (p.u.) or %
Emergency Rating (MVA)
Transformer Connection
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16) INTERCONNECTING LINE.
The gray cells are optional, if the conductor type, length and characteristics are provided.
Conductor Type
Single Circuit
Single Conductor
Voltage (kV)
Optional:
Resistance (R), p.u.
MVA Rating
Yes
Yes
No
No
Length
Double Circuit
Bundled Conductor
Feet
Yes
Yes
Miles
No
No
Reactance (X), p.u.
Suseptance (B), p.u.
17) Provide the contact person name, telephone number and email for questions on
the Power Flow data provided.
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B) Stability Study Data
Each generator interconnection project must have the appropriate dynamics model provided
including the model name and all parameters associated with each model in General Electric
(PSLF) format. From the following model list, select the model that matches the new generator
that you need to connect to the IID System. Once you select the model, we will provide you the
electronic file with the model template for you to update the data according to the information
provided to you by the generator manufacturer:
MACHINE MODELS
Model Name
Description
Gencc
Generator represented by uniform inductance ratios rotor modeling to
match WSCC type F model; shaft speed effects are neglected. Intended
to model cross-compound machines represented as one generator in the
load flow.
Gencls
Synchronous machine represented by "classical" modeling or Thevenin
Voltage Source to Play Back known voltage/frequency signal
Genrou
Solid rotor generator represented by equal mutual inductance rotor
modeling
Gensal
Salient pole generator represented by equal mutual inductance rotor
modeling
Gensdo
Generator with stator d.c. current represented
Gentpf
Generator represented by uniform inductance ratios rotor modeling to
match WSCC type F model; shaft speed effects are neglected
Genwri
Wound-rotor induction generator model (with variable external rotor
resistance)
Gewtg
Generator/converter model for GE wind turbines
Motor1
"Two-cage" or "one-cage" induction machine
Shaft5
Call GE
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EXCITATION MODELS
Model Name
Description
Esac2a
IEEE (1992/2005) type AC2A excitation system
Esac3a
IEEE (1992/2005) type AC3A excitation system
Esac7b
IEEE (2005) type AC7B excitation system
Exac1
IEEE type AC1 excitation system
Exac1a
Modified IEEE type AC1 excitation system
Exac2
IEEE type AC2 excitation system
Exac3
IEEE type AC3 excitation system
Exac3a
IEEE type AC3 excitation system
Exac4
IEEE type AC4 excitation system
Exac6a
IEEE type AC6A excitation system
Exac8b
Brushless exciter with PID voltage regulator
exbbc
Transformer fed static excitation system
Exdc1
IEEE type 1 excitation system model Represents systems with d.c.
exciters and continuously acting voltage regulators, such as amplidynebased excitation systems
Exdc2
IEEE type 2 excitation system model Represents systems with d.c.
exciters and continuously acting voltage regulators, such as amplidynebased excitation systems
Exdc2a
IEEE type 2 excitation system model Represents systems with d.c.
exciters and continuously acting voltage regulators, such as amplidynebased excitation systems
Exeli
Static PI transformer fed excitation system
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Exst1
IEEE type ST1 excitation system
Exst2
IEEE type ST2 excitation system
Exst2a
IEEE type ST2 excitation system
Exst3
IEEE type ST3 excitation system
Exst3a
IEEE type ST3 excitation system
Exst4b
IEEE type ST4b excitation system
Exwtg1
Excitation system model for wound-rotor induction wind-turbine
generator
Extwge
Excitation (converter) control model for GE wind-turbine generators
Ieeetl
"Old" IEEE type 1 excitation system model. Represents systems with d.c.
exciters and continuously acting voltage regulators, such as amplidynebased excitation systems
Mexs
Manual excitation control with field circuit resistance
Pfqrg
Power factor / Reactive power regulator
Rexs
General Purpose Rotating Excitation System Model
Scrx
Simple excitation system model representing generic characteristics of
many excitation systems; intended for use where negative field current
may be a problem
Sexs
Standard excitation system model representing generic characteristics of
many excitation systems; intended for use where details of the actual
excitation system are unknown and/or unspecified
Texs
General Purpose Transformer Fed Excitation System Model
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PRIME MOVER MODELS
Model Name
Description
Ccbtl
Steam plant boiler / turbine and governor
Ccst3
Combined Cycle Plant Steam Turbine Model
Crcmgy
Cross compound turbine governor model
G2wscc
Double derivative hydro governor and turbine. (Represents WECC G2
governor plus turbine model.)
Gast
Single shaft gas turbine
Gegt1
General Electric Frame 6, 7, 9 Gas Turbine Model
Ggov1
General governor model
Ggov2
General governor model with frequency-dependent fuel flow limit
Gpwscc
PID governor and turbine. (Represents WECC GP governor plus
turbine model.)
Hyg3
PID governor, double derivative governor and turbine. (Represents
WECC GP governor, WECC G2 governor plus turbine model.)
hygov
Hydro turbine and governor. Represents plants with straight forward
penstock configurations and electro-hydraulic governors that mimic
the permanent/temporary droop characteristics of traditional dashpottype hydraulic governors.
Hygov4
Hydro turbine and governor. Represents plants
with straight forward penstock configurations
and hydraulic governors of traditional 'dashpot'
type.
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hystl
Hydro turbine with Woodward Electro-hydraulic PID Governor,
Penstock, Surge Tank, and Inlet Tunnel
Ieeeg1
IEEE steam turbine/governor model (with deadband and nonlinear
valve gain added)
Ieeeg3
IEEE hydro turbine/governor model. Represents plants with
straightforward penstock configurations and hydraulic-dashpot
governors. (Optional deadband and nonlinear gain added.)
1cfb1
Turbine Load Controller model
1m6000
LM6000 Aero-derivative gas turbine governor
Pfs
Pre-programmed Frequency Source
Pidgov
Hydro turbine and governor. Represents plants with straight forward
penstock configurations and "three term" electro-hydraulic governors
(i.e. Woodard electronic)
Stag1
Single Shaft Combined-Cycle Plant Model
Tgov1
Basic steam turbine and governor
Tgov3
Turbine/governor model with fast valving
W2301
Woodward 2301 governor and basic turbine model
Wndtge
Wind turbine and turbine control model
for GE wind turbines
Wndtrb
Wind turbine control model
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STABILIZER MODELS
Model Name
Description
ieeest
Power system stabilizer
pss2a
Dual input Power System Stabilizer (IEEE
type PSS 2A)
pss2b
Dual input Power System Stabilizer (IEEE
type PSS 2A) with
Voltage Boost signal Transient
Stabilizer and Vcutoff
wsccst
WECC Power System Stabilizer
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TRANSMISSION DEVICE
Model Name
Description
batt
Battery with four quadrant P/Q control and modulation sensitive to
frequency and voltage
1tc1
Transformer Load Tap Changer model
scgap
Series Capacitor Gap
Smes1
Controllable current injection model. Can be used to model D-SMES
(Distributed Superconducting Magnetic Energy Storage System) of
AmericanSuperconductor, etc.
stcon
Static Synchronous Condenser
Stcon1
Core model of a Static Var Compensation Device
svcwsc
Static Var device (compatible with WSCC Vx/Wx models)
tcsc
Thyristor controlled series compensation model.
upfc
Power Flow Controller
vft
Variable frequency transformer
vwscc
Static Var device (compatible with WSCC model)
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LOAD MODELS
Model Name
Description
alwscc
Load voltage/frequency dependence model
Apfl
Pump/fan driven load model for induction motors
Blwscc
Load voltage/frequency dependence model
Cmpld
Composite load
Motorw
Induction machine modeled with rotor flux transients
Rect
Rectifier-supplied load
Sec1d1
Secondary load model with continuous reset of transformer tap ratio
Sec1d2
Secondary load model with continuous reset of transformer tap ratio
and 3-component characteristic
Sec1d3
Secondary load model with continuous reset of transformer tap ratio
and 3-component characteristic
Spfl
Pump/fan driven load model for synchronous motors
Wlwscc
Pump/fan driven load model for synchronous motors
zlwscc
Load voltage/frequency dependence model
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METER MODELS
Model Name
Description
ametr
Bus angle recorder. Places bus angle in an output channel
fmeta
Bus frequency recorder. Places area, zone or all bus frequencies an
output channels
fmetr
Bus frequency recorder. Places bus frequency in an output channel
gp1
Generic Generator Protection System
gp2
Generic Generator Protection System
ifmaz
Records MW and MVAR flow on an interface between zones and/or
areas
ifmon
Records MW and MVAR flow on a network interface
imetr
Branch current recorder. Places branch power and current flow in
output channels.
monit
Dynamic simulation solution monitor (EPC specified model)
pmetr
Plant total output recorder
vmeta
Bus voltage recorder. Places all area, zone or system voltages in an
output channels.
vmetr
Bus voltage recorder. Places bus voltage in an output channel.
Zvmetr
Apparent impedance recorder.places apparent impedance in output
channels.
Provide the contact person name and telephone number for questions on the
Stability data provided.
________________________________________________________________________
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C) Short Circuit Study Data
GENERATOR DATA
FOR SHORT CIRCUIT STUDIES
The following information must be provided in its entirety to conduct the short
circuit study required as part of the System Impact Study (SIS).
Generator Step-up Transformer Information
Quantity
Description
Voltage Ratings of Primary & Secondary Windings
Winding Configurations (i.e. Delta, Grounded Wye, etc)
MVA Rating
Positive Sequence Impedance (R+jX) (Identify if in pu or . If in
pu, list base)
Zero Sequence Impedance (R+jX)
Generator Information
Quantity
Description
Machine Base used for per unit impedances
Voltage rating of machine
Winding Configuration (ie. Delta, Grounded Wye, etc)
Neutral Impedance (If applicable), Ohms
Direct-axis Sub-transient Reactance (Xd”), per unit Ohms
Quadrature-axis Sub-transient Reactance (X”q), per unit Ohms
Direct-axis Transient Reactance (X’d), per unit Ohms
Quadrature-axis Transient Reactance (X’q), per unit Ohms
Synchronous Reactance (Xs), per unit Ohms
Negative Sequence Reactance (X2), per unit Ohms
Zero Sequence Reactance (X0), per unit Ohms
Note: All values provided above must clearly state if value is in Ohms or per unit Ohms. If the
values are provided as per unit values, the base must be provided.
Provide the contact person name, telephone number and email for questions on the
Short Circuit data provided.
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This template should be provided back to IID including complete set of
data, and signed by the person responsible for all the data provided.
Responsible Person Signature:
Date:
If you have any questions regarding any of the data requested in this template,
please call me at (760) 482-3443.
Jorge L. Barrientos, P.E.
IID System Planning Superintendent
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