Contax PROSTAR-20 User Manual download pdf

USING ADVANCED TECHNOLOGY FOR:

TAR

MID-RANGE PHOTOVOLTAIC CONTROLLERS

RORO

TARTAR

PATENTED

• High Reliability

• Low Cost

• PWM Battery Charging

ARRANTY

: FIVE YEAR WARRANTY PERIOD.

CONTACT MORNINGSTAR OR YOUR AUTHORIZED DISTRIBUTOR FOR COMPLETE TERMS.

1098 Washington Crossing Road

Washington Crossing, PA 18977 USA

Tel: 215-321-4457 Fax: 215-321-4458

E-mail: [email protected]

Website: www.morningstarcorp.com

PRINTED IN USA 201E-R2-3/98

TECHNICAL SPECIFICATIONS

TAR

RELIABILITY

5-year failure rates at a 90% confidence level

• ProStar-12 .......................................................... < 0.1%

• ProStar-20 .......................................................... < 0.1%

• ProStar-30 .......................................................... < 0.4%

ENVIRONMENTAL

• Operating temperature...................................... –40 to +85°C

• Max ambient temperature ................................ +60°C

• Storage temperature.......................................... –55 to +100°C

• Humidity ............................................................ 100% (NC)

PERFORMANCE / ELECTRICAL

• Accuracy 12V.............................................. +/–40 mV

24V.............................................. +/–60 mV

• Maximum array voltage .................................... 50 V

• Min voltage to operate .................................... 8.0 V

• Ground .................................................... negative

• Parallel capability .............................................. yes

• Self-consumption (tare):

Night .................................................... 11 mA

Charging .................................................... 12 mA

Load disconnected........................................ 10 mA

• Voltage drops:

Maximum: PV/Batt ........................................ 0.7 V

Batt/Load .................................... 0.4 V

Typical: PV/Batt ........................................ 0.5 V

Batt/Load .................................... 0.1 V

• Operating life15 years

• Noise:

µP protection ................................................ all inputs

Output noise pulses...................................... < 400 mV

Noise pulse width ........................................ < 500 nanosec

Radiated noise .............................................. < 100 picowatts/kHz

• FET’s:

Rds (on resistance) ........................................ 0.018 ohm

Pulse rating.................................................... 120 A

Junction temp rating .................................... 175°C

Operating junction temp .............................. 110°C

• µP memory .................................................... 2k ROM

• µP clock speed .................................................. 2 MHz

• Transient surge suppressors:

Pulse power rating ........................................ 1500 watts

Response .................................................... < 5 nanosec

• LED’s:

Pulse rate .................................................... 300 Hz

Current consumption.................................... < 1 mA/LED

METER DISPLAY

• Type.................................................................... LCD

• Display .............................................................. 3-digit x .5 inch

• Temp rating........................................................ –30 to +85°C

• Voltage accuracy................................................ 0.5%

• Current accuracy................................................ 2.5%

• Status LED’s........................................................ 3

• Self-consumption (tare)...................................... 10 mA

• Manual disconnect ............................................ < 100 microsec

MECHANICAL

• Dimensions: (inches).......................... 6.01 (W) x 4.14 (H) x 2.17 (D)

(mm).............................. 153 (W) x 105 (H) x 55 (D)

• Weight: (oz) ................................ 12

(kg)................................ 0.34

• Wire terminals .................................. Euro-style

Max wire size:

(solid) ............................ #6 AWG/16 mm

(multistrand).................. #6 AWG/10 mm

(fine strand) .................. #8 AWG/10 mm

Terminal diameter.......................... 0.2 inch/5 mm

• Mounting orientation ........................ vertical

• Case:

Material.......................................... VALOX #310 SEO

Fungicidal resistance...................... ASTM G21-70

Moisture absorption ...................... < 0.4%

UL Thermal Index .......................... 120°C/140°C

ELECTRONIC FUSE / SYSTEM SAFETY

• Load short-circuit .............................. Short-circuit is > 10X load

rating for > 5 msec

.............................. Load disconnected < 50

microsec

• Emergency disconnect...................... If voltage < 2.4 V, PV/load

disconnected < 0.1 sec

• Reverse polarity ................................ All 4 system inputs fully

protected

• High temp shutdown ........................ 70°C disconnect PV input

80°C disconnect load

60°C reconnect load

50°C reconnect PV

CONTROL SETPOINTS

12 Volt

Sealed

Flooded

• Low volt load disconnect 11.4 11.5

• LVD reconnect 12.5 12.6

• Constant-voltage regulation 14.1 14.3

• Equalization 14.35 14.6

• HVD 15.5 15.5

(24 V setpoints are twice 12 V values)

CONTROL PARAMETERS

• Charge algorithm .............................. constant-voltage

PWM pulse charging

series configuration

• Temp comp coefficient...................... –5.0 mV/°C/cell (25°C ref)

• LVD current coefficient ...................... –20 mV/amp load

• Auto equalize:

Sealed ...................................... 16 days or 11.9/23.8 V

Flooded ...................................... 11 days or 12.0/24.0 V

• Temp comp setpoints........................ Regulation, Equalize, HVD

• Software delays ................................ LVD = 55 sec; HVD = 7 sec

• Software filtering .............................. average 2 inputs/50 µsec

• Measurement rate ............................ 37.5 samples/sec

Specifications subject to change without notice.

Manufactured in the U.S.A.

MODEL RATINGS

ProStar-12 ProStar-20 ProStar-30

PV current (amps) 12 20 30

Load current (amps) 8 16 30

Note: Current ratings can be exceeded by 25% for up to 5 minutes.

• All models both 12 V

and 24 V (automatic

selection)

AUTHORIZED MORNINGSTAR DISTRIBUTOR:

1 2

Summary of Contents

Page 1 - • PWM Battery Charging

USING ADVANCED TECHNOLOGY FOR:PROSTARTMMID-RANGE PHOTOVOLTAIC CONTROLLERSPROROSTARTARPROSTARTARPATENTED• High Reliability• Low Cost• PWM Battery Charg

Page 2

Design by experienced PVsystem engineers, ProStar’sseries design provides manyadvantages compared to shuntcontrollers.Series regulation reduces FEThea

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Contax PROSTAR-20 User Manual

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