Plant Parameters

Request for a Distribution Impact Study of Renewable Energy Facility

for Net Metering

Section 1: General Connection Information

Note: All of the information in “Section 1: General Connection Information” must be
completed in full. Failure to provide complete information may delay the processing of
the study.

Date: ____________ (dd/mm/yyyy) Contact Person Name: ______________________

Signature:_______________________
1. Customer Name: ______________________________________________________
2. Existing MERALCO SIN: ______________________________________________
3. Customer Address: ____________________________________________________

4. Telephone / Fax / Email: ________________________________________________

5. Project Name: _________________________________________________________
6. Project Dates: Proposed Start of Construction: __________ (dd/mm/yyyy)
Proposed In-Service: __________ (dd/mm/yyyy)

7. Project Size: Proposed Total Capacity ________(kW)

8. Project Location: City/Town/Province: ______________________________
9. Project Information:

Project Contractor Consultant

Company/Person:

Contact Person:

Mailing Address:

Telephone:
Fax:
E-mail:

Plant Parameter for DIS Net Metering Application July 31, 2013 Page 1 of 2
10. Renewable Energy Technology:

Solar (PV) (see Annex A)

Wind - with Power Converter (see Annex A)
Wind - Induction generator only (see Annex B)
Biomass / Biogas (see Annex B)
Others (Please specify.)___________________

11. Generator Facility Type:

a. Generation Facility Voltage: AC _____ volts DC ______ volts

b. Generation Capacity: ______ kW _____ kVA

c. Type: Rotating Generators: Synchronous Induction

Others (Please specify.) _____________

d. Non-Rotating DC generation: Photovoltaic Arrays Batteries

Others (Please specify.) ____________

12. Location Map and Site Plan

Site plan with approximate line routings for connection to nearby MERALCO facilities.
The Site Plan include roads (with street names) and lot numbers and nearby power lines.

13. Proposed Connection voltage to MERALCO’s distribution system: _______ volts

Plant Parameter for DIS Net Metering Application July 31, 2013 Page 2 of 2
 Annex A
(For Solar Panels and Wind Turbines equipped with Power Converter)

Section 2: Impact Assessment Information

Note:
(a) It is important that the requesting Customer provide ALL the information
requested below, if applicable. Indicate N/A (Not Applicable) where
appropriate.
(b) In certain circumstances, MERALCO may require additional information to
conduct the Impact Assessment. Should this be the case, the requesting
Customer should be duly advised and ready to provide the additional
information.

Date:_________ (dd/mm/yyyy) Contact Person Name:__________________

Signature: __________________

1. Electric System Description

Provide a SLD of the customer loads and generating facilities including the customer’s
point of connection to MERALCO’S Distribution System.

• Riser Diagram (Loads and Generators)

• System Block Diagram
• DC System
• AC System
• AC and DC Grounding System
• Protection System
• Synchronization Equipment
• Equipment (e.g. Generating Unit, Solar Panels, Inverter, transformer, circuit
breaker, etc.)
• Electrical circuits
• Switching facilities
• Phasing arrangements

Note: The diagram/drawing shall indicate the quantities, ratings, and operating
parameters of equipment and cables.

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex A 1 of 5
2. Load Information : Customer and Generating Facility

a. Updated Load Schedule (Please attach additional sheets for the information.)
b. Total Connected Load: 1-phase ______ kVA ______ kW
3-phase ______ kVA ______ kW
c. Maximum continuous load: 1-phase ______ kVA ______ kW
3-phase ______ kVA ______ kW
d. Maximum start up load: 1-phase ______ kVA ______ kW
3-phase ______ kVA ______ kW
e. Largest motor size that would be started: _______ HP _______ kW
f. Maximum inrush current of the motor (multiple of full load current): _____ p.u.

3. Generating Facility Fault Contribution for Faults at the connection point

All values to be at the nominal connection voltage to MERALCO’s Distribution

System.

Maximum Symmetrical Faults (all generators online)

- Three Phase Fault _____ kA
- Phase to Phase Fault _____ kA
- Single Phase to ground Fault _____ kA

4. Generator Facility Characteristics:

a. Number of generating units: _____

b. Rated AC Capacity of each unit:

Gross : ______ kW ______ kVA
Net : ______ kW ______ kVA
If unit outputs are different please attach additional sheets to provide the information.

c. AC Net Capacity : ________kW __________kVA

d. PV Panel / Module Data

i) Manufacturer : _______________
ii) Technology : _______________
iii) Model No. : _______________

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex A 2 of 5
 iv) Total Plant Capacity : _____________ kWp DC
v) Rated Output : _______________
vi) Operating Current : ___________Amp
vii) Open Circuit Voltage : ___________volts
viii) Short Circuit Current : ___________Amp
ix) Number of Units : _______________
x) Total PV Array Area : _______________
xi) Is there lightning protection system available?
Yes No
xii) Grounding
System Equipment

e. Inverter / SPC units: (Please provide additional sheets for multiple models.)

i) Manufacturer / Model : _______________

ii) Technology /Type : Grid tie Off-Grid
iii) Rated Capacity : _______________
iv) Efficiency : _______________
v) Number of Units : _______________
vi) Inverter DC input voltage : ___________volts
vii) Inverter DC input current : ___________Amps
viii) Inverter AC output voltage : ___________volts
ix) Inverter AC output current : ___________Amps
x) Number of phases : One Three
xi) Inverter output frequency : ___________ Hz
xii) Output waveform : Square Modified Sine
True / Pure Sine Wave
xiii) Type of inverter : Self Commutated
Line Commutated
xiv) Inverter input type : Voltage source Current source
xv) Control scheme : Voltage control Current control
xvi) Power source for inverter control circuit:
DC side AC side Both (AC and DC side)
xvii) Total harmonic distortion: _______ %
(Please attach harmonic data plot/graph)
xviii) Inverter rated power factor : _______ %

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex A 3 of 5
 xix) Inverter power factor adjustments range, if applicable (specify lag or lead)
from: __________ p.u. to __________ p.u.
xx) Are power factor correction capacitors used?
xxi) If yes, total power correction installed : ________ VAR
xxii) Number of capacitors steps : _______
xxiii) Grounding
System Equipment
xxiv) Are power factor correction capacitors automatically switched off when
inverter breaker opens?
Yes No
xxv) Does the inverter have surge protection available?
Yes No
xxvi) Does the inverter have short circuit shutdown capability?
Yes No
xxvii) Does the inverter have anti-islanding protection?
Yes No
xxviii) Is the inverter paralleling equipment and/or design pre-certified?
Yes No
xxix) If yes, to which standard(s), e.g. UL-1741, CSA c22.2 No. 107.1-01,
IEEE 1547: _________
xxx) Maximum inrush current upon inverter start-up (multiple of full-load
current): ________ p.u.
xxxi) Is the inverter test certified?
Yes No
If yes, please attach the test certificate.

h. Characteristics (Please attach additional sheets to provide the information.)

a. Harmonic data plot / graph
b. IV Curve/PV Curve
c. Open circuit
d. V curves

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex A 4 of 5
5. Interface Transformer Characteristics (if applicable)

a. Manufacturer ( if known ): ___________________

b. Transformer rating: _________ kVA
c. Number of phases: One Three
d. Nominal voltage of high voltage winding: _________ V
e. Nominal voltage of low voltage winding: _________ V
f. High voltage winding connection:
Wye (3-ph) Delta (3-ph) Line-to-line (1-ph)
Line-to-ground (1-ph) Others ___________
g. Grounding method of high voltage winding neutral (if applicable):
Solid Ungrounded Impedance: R ____ X ____ ohms
h. Low voltage winding connection: _______
Wye (3-ph) Delta (3-ph) Line-to-line (1-ph)
Line-to-ground (1-ph) Others ___________
i. Grounding method of low voltage winding neutral (if applicable):
Solid Ungrounded Impedance: R ____ X ____ ohms
j. Series Impedance: (%-Based on Nameplate Ratings)
Unit 1 Unit 2 Unit 3
Resistance: _____ _____ _____
Leakage Reactance: _____ _____ _____
k. Tap information:
Number of steps/taps: above nominal tap ________ below nominal tap ________
Minimum Tap: ________ (volts; p.u.)
Maximum Tap: ________ (volts; p.u.)
6. Operation Information:

• Mode of operation: _______________

• Annual capacity factor: _____ %
• Prospective number of annual scheduled starts/stops, and timing. _______________
• Prospective maintenance schedule for 5 years operation (Please attach.)

7. Expected Monthly Generation, Load Consumption and Net Consumption

(Energy and Demand) from the facility (12 month period) for the first year and
annually for the remaining four years.

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex A 5 of 5
 Annex B
(For Biomass, Biogas and Wind Induction RE Technologies)

Section 2: Impact Assessment Information

Note:
(c) It is important that the requesting Customer provide ALL the information
requested below, if applicable. Indicate N/A (Not Applicable) where
appropriate.
(d) In certain circumstances, MERALCO may require additional information to
conduct the Impact Assessment. Should this be the case, the requesting
Customer should be duly advised and ready to provide the additional
information.

Date:_________ (dd/mm/yyyy) Contact Person Name:__________________

Signature: __________________

1. Electric System Description

Provide a SLD of the customer loads and generating facilities including the customer’s
point of connection to MERALCO’S Distribution System.
• Riser Diagram (Loads and Generators)
• System Block Diagram
• AC System
• AC Grounding System
• Protection System
• Synchronization Equipment
• Equipment (e.g. Generating Unit, transformer, circuit breaker, etc.)
• Electrical circuits
• Switching facilities
• Phasing arrangements

Note: The diagram/drawing shall indicate the quantities, ratings, and operating
parameters of equipment and cables.

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex B 1 of 6
2. Load Information : Customer and Generating Facility

a. Updated Load Schedule (Please attach additional sheets for the information.)
b. Total Connected Load: 1-phase ______ kVA ______ kW
3-phase ______ kVA ______ kW
c. Maximum continuous load: 1-phase ______ kVA ______ kW
3-phase ______ kVA ______ kW
d. Maximum start up load: 1-phase ______ kVA ______ kW
3-phase ______ kVA ______ kW
e. Largest motor size that would be started: _______ HP _______ kW
f. Maximum inrush current of the motor (multiple of full load current): _____ p.u.

3. Generating Facility Fault Contribution for Faults at the connection point

All values to be at the nominal connection voltage to MERALCO’s Distribution

System.

Maximum Symmetrical Faults (all generators online)

- Three Phase Fault _____ kA
- Phase to Phase Fault _____ kA
- Single Phase to ground Fault _____ kA

4. Generator Facility Characteristics:

a. Number of generating units: _____

Rated AC Capacity of each unit:

Gross : ______ kW ______ kVA
Net : ______ kW ______ kVA
If unit outputs are different please attach additional sheets to provide the information.

b. AC Net Capacity : ________kW __________kVA

c. For Synchronous Units: (Please provide additional sheets for multiple models.)
i) Manufacturer / Model: ___________
ii) Generation facility voltage: _______ Volts

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex B 2 of 6
 iii) Rated Current: _____ A
iv) Rated Power Factor of generating unit(s): ____ p.u.
v) Power factor operating range if applicable (specify Lag or Lead):
__________p.u to __________p.u.
vi) Sequence Impedances
Positive sequence : ___ (r) + j ___ (x) p.u. ;
___ (r) + j ___ (x) ohms
Negative sequence : ___ (r) + j ___ (x) p.u. ;
___ (r) + j ___ (x) ohms
Zero sequence : ___ (r) + j ___ (x) p.u. ;
___ (r) + j ___ (x) ohms
Unsaturated reactances on: ____ kVA base, _____ V base
Direct axis synchronous Reactance, Xd ____ p.u. ____ohms
Direct axis transient Reactance, Xd’ ____ p.u. _____ohms
Direct axis subtransient Reactance, Xd” ____p.u. ____ohms
Quadrature synchronous Reactance, Xq _____ p.u. _____ ohms
Quadrature transient Reactance, Xq’ ____ p.u. _____ohms
Quadrature subtransient Reactance, Xq” ____ p.u. _____ohms
vii) Time Constants:
Direct axis open circuit transient, T’do ___ second
Direct axis open circuit subtransient, T”do ___ second
Quadrature open circuit transient, T’qo ___ second
Quadrature open circuit subtransient, T”qo ___ second
viii) Exciter PT Ratio ________
ix) Earth Resistivity ________ ohms-meters
x) Leakage reactance, xl ___ p.u. ___ohms
xi) Armature resistance, ra ___ p.u. ___ohms
xii) Provide a plot of generator capability curve (kW output vs. kVAR)
xiii) Generator Inertia constant (on machine base)
H = _____ seconds (generator only)
H = _____ seconds (generator and turbine)
xiv) Grounding
System Equipment

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex B 3 of 6
d. For Induction Units: (Please provide additional sheets for multiple models.)
i) Manufacturer / Model: ___________
ii) Generation Facility Voltage: _______ Volts
iii) Rated Current: _____ A
iv) Rated Design power factor: ______ p.u.
v) Power factor operating range if applicable (specify Lag or Lead):
__________p.u to __________p.u.
vi) Unsaturated reactances on:_______ kVA base, ________ V base
Direct Axis synchronous Reactance, Xd ____ p.u.
Direct Axis transient Reactance, Xd’ _____ p.u.
Direct Axis subtransient reactance, Xd” _____ p.u.
vii) Time constants:
Direct axis open circuit transient, T’ _____ second
Direct axis open circuit subtransient, T” _____ second
viii) Actual Power factor at point of connection (after p.f. correction):
• Full Output: _________ p.u.
• No Output: _________ p.u.
ix) Generator full reactive power requirements:
• Full Output: _________ kVAR
• No Output: _________ kVAR
x) Total power correction installed: ________ VAR
• Number of regulating steps: _______
• Power factor correction switched per step: ________ VAR
• Power factor correction capacitors are automatically switched off
when generator breaker opens: __________
xi) Maximum starting inrush current (multiple of full load current): ____ p.u.
xii) Generator inertia constant (on machine base).
H = _____ seconds (generator only)
H = _____ seconds (generator and turbine)
xiii) Grounding
System Equipment

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex B 4 of 6
e. Characteristics (Please attach additional sheets to provide the information.)
a. Capability curve
b. Short circuit curve
c. Open circuit saturation curve
d. V curves

5. Interface Transformer Characteristics (if applicable)

a. Manufacturer ( if known ): ___________________

b. Transformer rating: _________ kVA
c. Number of phases: One Three
c. Nominal voltage of high voltage winding: _________ V
d. Nominal voltage of low voltage winding: _________ V
e. High voltage winding connection:
Wye (3-ph) Delta (3-ph) Line-to-line (1-ph)
Line-to-ground (1-ph) Others ___________
f. Grounding method of high voltage winding neutral (if applicable):
Solid Ungrounded Impedance: R ____ X ____ ohms
g. Low voltage winding connection: _______
Wye (3-ph) Delta (3-ph) Line-to-line (1-ph)
Line-to-ground (1-ph) Others ___________
h. Grounding method of low voltage winding neutral (if applicable):
Solid Ungrounded Impedance: R ____ X ____ ohms
i. Series Impedance: (%-Based on Nameplate Ratings)
Unit 1 Unit 2 Unit 3
Resistance: _____ _____ _____
Leakage Reactance: _____ _____ _____
l. Tap information:
Number of steps/taps: above nominal tap ________ below nominal tap ________
Minimum Tap: ________ (volts; p.u.)
Maximum Tap: ________ (volts; p.u.)

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex B 5 of 6
6. Operation Information:

• Mode of operation: _______________

• Annual capacity factor: _____ %
• Prospective number of annual scheduled starts/stops, and timing. _______________
• Prospective maintenance schedule for 5 years operation (Please attach.)

7. Expected Monthly Generation, Load Consumption and Net Consumption

(Energy and Demand) from the facility (12 month period) for the first year and
annually for the remaining four years.

Plant Parameter for DIS Net Metering Application July 31, 2013 Annex B 6 of 6