GUANGGU INC.
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Solar Power System Diesel Generator Wind power Hybrid energy system
The power cabinet consists of a controller, four MPPT converters, power distribution equipment, switches, fans and wiring and so on.
The structure of the power cabinet layout is shown in Figure 1-2.
Figure 1-1Structure of Power Cabinet (600*600*1200mm W*D*H)
For technical specifications of the overall system, see Table 1-1.
Table 1-1Technical Parameters
| Hybrid Power System | MPPT Solar Charge Controller J-energize |
| INPUT | |
| MPPT Range @ Operating Voltage | 60~150VDC |
| Maximum PV Array Open Circuit Voltage | 145VDC |
| Maximum PV Array Power | 3000W |
| Maximum Input Current | 50A |
| OUTPUT | |
| Nominal Battery Voltage | 42~58VDC |
| Maximum Charge Current | 50A |
| Maximum Efficiency | 98% |
| Charging Method | Three stages: bulk, absorption and floating |
| PROTECTION | |
| Overload Protection | >110% : audible alarm |
| Overcharge Protection | Yes |
| Polarity Reversal Protection @ Solar Cell & Battery | Yes |
| INDICATORS | |
| LCD Panel | LCD panel indicating solar power, load level, battery voltage / capacity, charging current, and fault conditions |
| LED Display | Three indicators for solar, charging, and load status |
| ENVIRONMENT | |
| Humidity | 0~100% RH (No condensing) |
| Operating Temperature | -20 ℃ to 55 ℃ |
| Storage Temperature | -40 ℃ to 75 ℃ |
| Altitude | 0~3000m |
Basic configuration of power cabinet is shown in table 1-4.
Table 1-2Basic Configuration of Power Cabinet
| Basic Module of Hybrid Power System | |
| Control Unit | ICU: one set; IBSU: one set; 4G router: one set; |
| MPPT Unit | J-ENERGIZE MPPT converter: 250 A current rating and the user can adjust it according to the requirements. |
| DC Power Distribution Unit | (1) Battery access unit: 200A breaker, number is 2. Select the specification and quantity of circuit breaker, fuse, or shunt according to the user requirements. (2) DC output: Shunt : One (1) LLVD/BLVD DC Meter: One set LLVD DC output: One (1) ×200A DC Contactor; Two (2) ×80A/1P DC MCB; Two (2) ×63A/1P DC MCB; Two (2) ×32A/1P DC MCB; Two (2) ×16A/1P DC MCB; BLVD DC output: One (1) ×200A DC Contactor; Two (2) ×63A/1P DC MCB; Two (2) ×32A/1P DC MCB; Two (2) ×16A/1P DC MCB; (3) PV Input 63A/2P(DC Input Breaker), number is ≤9. |
| Sensor Equipment | Cabinet lamp: one set; Access control system: one set; Temperature and humidity sensor: one set; Smoke sensor: one set; Water Sensor: one set; |
The 3000 watt Solar Converter is designed to convert energy from solar panels into regulated -48VDC for telecom applications. The converter operates in MPPT (Maximum Power Point Tracking) mode, enabling maximum power extraction from the solar panels throughout the day.
The J-ENERGIZE converter is used as an integral part of hybrid power systems for telecom applications.
The Solar Converter provides energy from solar panels to telecom sites in the access and transmission network. Together with other energy sources (such as battery, diesel generator and wind turbine), the J-ENERGIZE converter contributes to a reliable supply of energy. The high conversion efficiency and ability to accurately track the MPP (Maximum Power Point) will contribute to optimal utilization of the installed solar panel array.
For main technical parameters of J-ENERGIZE converter, see Table 3-2.
Table 3-1Technical Parameters of J-ENERGIZE converter
| DC INPUT | |
| Input Voltage Range | 60V~150V |
| MPPT Tracking Accuracy | 99.5% |
| DC OUTPUT | |
| Output Voltage Range | 42V~58V |
| Standard Output | 48V/50A |
| Output Current | 50A |
| Output Power | 3kW |
| Efficiency | >98.2% |
| ENVIRONMENTAL | |
| Temperature Range. Operational | -20℃ to +65℃ |
| MECHANICS | |
| Dimensions (H*W*D) | 41.4mm*132mm*287mm |
| Weight | 1U <3kg |
Figure 3-1Schematic Outline Diagram of Front Panel of J-ENERGIZE converter
Figure 3-2De-rating Curves
With extremely high performance management ability, Ritar realizes the setting of all functional parameters of the system.
User-friendly interface display, easy to operate.
Multi-function network connection observes remote monitoring and provides dry contact output.
Table 3-2Function of ICU
| Monitoring module function | |
| Power down protection | Solar module control |
| Charging management | System control |
| Battery test | Communication control |
| Temperature compensation control | Energy saving control |
| DC control | Fan control |
The ICU main function is to control the PV system, in order to manage the battery and load. By adjusting the output voltage of each solar controller, so as to control the battery voltage in a suitable range, and make the solar cell array work near the maximum power during the battery charging. ICU unit can fulfill the following functions, such as field data collection, intelligent protocol processing, local storage, alarm active signal, intelligent analysis of local data.
*Product can be customized according to the client need.