Solar Power BTS System.

Quality and Warranty• Rigorous quality control system meeting the highest international standards: ISO9001:2008 and ISO 14001:2004• 25 years power output warranty for module

AdvantagesIntegrated system with highly efficient PV module, long service life of 25 years.

Simple to install and less maintenance required.

Easy transportation with light weight.

Reduce fossil fuel dependency,environmental friendly.

Reliable and clock round telecommunications services even in remote area.

Seamless integration into existing power systems. PV can easily be combined with diesel generator sets for a hybrid system.

APPLICATIONS• Cellular/GSM Repeaters

• Microwave

• Radio Repeaters

• Telephone Exchanges

• Fiber Optic Repeaters

• Earth Stations

• TV Translators

• Relay Stations

Solar Powered BTS System

EN-CSS-DX-NO1.01-Rev 2010www.suntech-power.com©Copyright 2010 Suntech Power

BTS System Sizing

Note:

• Usually, BTS is -48V DC system , if there is any AC load, inverter could be used accordingly.

BTS system should be customized by detail project requirement.

• Battery backup designed for 3 days.

• Minimum Monthly Averaged Insolation considered as 4.5KWh/day.

SOLAR BTS SYSTEM SIZING

BTS Power Requirement

DC Power 100 W 300 W 500 W 800 W 1000 W 1200 W

System Voltage -48V DC -48V DC -48V DC -48V DC -48V DC -48V DC

Running Hour 24 hrs/day 24 hrs/day 24 hrs/day 24 hrs/day 24 hrs/day 24 hrs/day

Autonomy Day 3 days 3 days 3 days 3 days 3 days 3 days

AC Power Optional

PV Panels

PV Technology Crystalline Silicon

Type STP180S-24/Ad

No. of Panel 8 pcs 20 pcs 32 pcs 50 pcs 64 pcs 76 pcs

PV System Size 1440 W 3600 W 5760 W 9000 W 11520 W 13680 W

No. of Series 2 2 2 2 2 2

No. of Parallel 4 10 16 25 32 38

PV Area 15 m2 40 m2 60 m2 90 m2 120 m2 140 m2

Controller

Type 48V30A 48V100A 48V150A 48V200A 48V250A 48V300A

Optimum Working Current 20 A 50 A 80 A 125 A 160 A 190 A

Remote monitoring Optional

Battery

Type Lead Acid battery or Gel battery

Voltage 2 V 2 V 2 V 2 V 2 V 2 V

Capacity 200 Ah 600 Ah 1000 Ah 800 Ah 1000 Ah 1500 Ah

No. of Series 24 24 24 24 24 24

No. of Parallel 1 1 1 2 2 2

Quantity of battery 24 24 24 48 48 48

Total Capacity 48V200Ah 48V600Ah 48V1000Ah 48V1600Ah 48V2000Ah 48V3000Ah

PV mounting system Customized according to project requirement and installation method

Cable & accessary Customized according to project requirement and installation method

Inverter Optional according to BTS AC power requirement


Inverter

Repeater

Charge Controller AC LoadsBattery

PV Module

PV Module

Series STP180S-24/Ad STP280-24/VdOptimum Operating Voltage (Vmp) 36.0 V 35.2 V

Optimum Operating Current (Imp) 5.00 A 7.95 A

Open-Circuit Voltage (Voc) 44.8 V 44.8 V

Short-Circuit Current (Isc) 5.29A 8.33 A

Maximum Pwer at STC (Pmax) 180 W 280 W

Operating Temperature -40 °C to +85 °C -40 °C to +85 °C

Maximum System Voltage 1000 V DC 1000 V DC

Maximum Series Fuse Rating 15 A 20 A

Power Tolerance 0/+5 W 0/+5 W

Total Weight 17.2 kgs (37.9 lbs.) 27 kgs (59.5 lbs.)

Size (mm) 1580 x 808 x 35 1956 x 992 x 50

Product Photo


Rated Voltage (V) DC48

Rated Current (A) 30 60 100 150 200 300

Max. Solar Module power(KWp) 1.44 2.4 4.8 7.2 9.6 14.4

Max. Number of Strings 1 2 4 6 6 10

Max. Current of String(A) 30 25 34 30

Battery Low Voltage Disconnect (LVD) (Adjustable) 43.2

Battery Low Voltage Reconnect (LVR)(Adjustable) 49.2

Battery Charge Disconnect (Adjustable) 57.6

Load-over-voltage Protection Point (Adjustable) 70

Load-over-voltage Recovery Point (Adjustable) 60

Power Consumption (mA) <100

Voltage Drop

Solar Array and Battery(V) 0.3

Battery and load(V) 0.1

Temperature compensation coefficient(mv/°C) 0 ~ 5(Adjustable)

Environment Temperature(°C) -20 ~ +50

Altitude(m) ≤5000

Protection Level IP20

Dimensions (D × W × H) (mm) 400×482×177(4U) 455×482×266(6U) 600×600×1200

Controller


DCInput

Input Voltage (V) DC 24 DC 48

Input Current (A) 25 50 24 48 73 116

Input Volage range (V) 21~32 42~64

ACInput

Capacity (KVA) 0.5 1 2 3 5

Output Power (KW) 0.4 0.8 1.6 2.4 4

Output Voltage Frequency AC220V , 50Hz

Output Current (A) 2.2 9.0 13.6 22.7

Output Voltage Accuracy (V) AC220V±3%

Output Frequency Accuracy (Hz) 50±0.05

Waveform Distortion (linear load) ≤5%

Dynamic Response (load 0 ~ 100%) 5%

Power Factor 0.8

Overload 120%,10 sec

Peak factor 3 : 1

Nverter Efficiency (80% resistive load) 84% 86% 90%

Environment Temperature(°C) -20 ~ +50

Altitude(m) ≤5000

Protection Level IP20

Dimensions (D × W × H) (mm) 205×365×425 400 ×750 ×470

Dimensions (D × W × H) (mm) 482×177×440

Inverter


Project Reference

• Base transmit station in China

• PV system capacity is 1.02KW

• Telecom equipment and PV system are all outdoor installed

• DC load 100W

SN Name Model Quan. Unit

1 PV Module STP-170S-24/Ac 6 pcs

2 Controller 48V 20A 1 set

3 Bracket AT-2*3-Ac 1 set

4 Battery 200Ah 2V 24 pcs

5 Junction Box STB-3/4-P/Z 9 pcs

6 Wires BVR4mm2 20 m

7 Others 1 set

Equipment list


Project Reference

• Base-central station in Laos


• DC load 400W, AC load 800W




3 Inverter 220V 1000W 1 set




7 Distribution Box STB-2/8-J 1 pcs

8 WiresBVR4mm2 500 m

BVE10mm2 200 m

9 Others 1 set

Equipment list


Project Reference

• Microwave station in Mongolia


• DC load 700W







6 Distribution Box STB-1/4-J 1 pcs

7 WiresBVR4mm2 300 m

BVE10mm2 100 m

8 Others 1 set

Equipment list


Case Study

• Base transmit station in China


• Module: STP170S-24/Ac

• Quantity: 6pcs

• Controller: 48V/30A

• Base transmit station in Niger



• Quantity: 44pcs



Case Study

• Base-central station in Laos



• Quantity: 80pcs


• Base-central station in Sudan



• Quantity: 36pcs



Case Study

• Microwave station in Mongolia



• Quantity: 40 pcs


• Base transmit station in

Burkina Faso






Case Study

• Microwave station in Ethiopia





• Microwave station in Congo






Solar Power BTS System.

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