Sanhe Power Converter Module (DC/DC, DC/AC, STS)

• Certification: ISO9001, CCC, Type Test
• Protection: IP44
• Installation: Hanging
• Housing: Steel
• Rated Power: 50kw
• DC Voltage Operating Range: 200-1000V
• Model NO.: Symonet-150STS
• Transport Package: Plywood
• Specification: 400V
• Trademark: Sanhe
• Origin: China
• HS Code: 8537209000
• Production Capacity: 10000PCS\Year

Product Description

Product :power converter module(DC/DC, DC/AC, STS )
Introduction: Support multiple types of energy storage battery or photovoltaic module.
Model :Symonet-150STS 
Installation: rack mounted
Brand: Sanhe

 Power converter module

Feature:

Multi-applicable
Solar energy storage integrated machine
Solar storage and charging micro-grid
Flexible DC household economy
Multi-port energy router
Echelon utilization of power battery

Flexible and convenient
Rack modular design, flexible configuration, convenient maintenance, and convenient expansion
DC/DC, DC/AC, STS different types of modules freely matched, according to local conditions
3P3W/3P4W self-adaptation, 3 phase voltage& phase sequence self-adaptation, more flexible application
Optimized DC /AC includes DC/DC inside, wide input range, more flexible selection and configuration of solar modules and energy storage batteries

Diversified function
Support multiple types of energy storage battery or photovoltaic module, and self-identified.
DC /DC has two input ports which can be connected in parallel, independently or integrated with solar storage system.
When the mains power fails or get fault, STS module automatically cuts off the fault circuit, and the system supplies power off the grid to ensure the reliability of power supply.

Efficient and intelligent
The high-efficiency version adopts a single-stage DC /AC structure to improve system efficiency
Both DC/DC and DC / AC adopt three-level circuit design, with high conversion efficiency
Advanced interleaving control technology, small ripple current, prolong battery life
The microgrid intelligent management system self-identifies the number and functions of modules, integrates a variety of operating strategies and communication interfaces, unified scheduling, and intelligent management

Tech Parameters

DC to DC converter

model	Symonet-50DC
DC/DC converter module
rated power	50KW
Maximum power	55KW
DC voltage operating range	200-1000V
High voltage side full load voltage range	500-900V
High voltage side maximum current	100A
Low side full load voltage range	320-850V
Low-voltage side maximum current	80A*2
Number of low-voltage side input channels	2 channels (independent), 1 channel (parallel)
Adapter battery	Lithium battery/lead acid/photovoltaic module
charging method	According to BMS instruction, three-stage, MPPT
maximum efficiency	98.80%
Dimensions mm	483x600x150
Weight KG	25

Standard : GB/T 34133-2017,GB/T 34120-2017


DC to AC converter
 

model	Symonet-50AC(advanced)	Symonet-50AC (wide voltage range)
DC/AC converter module
rated power	50KW	50KW
Maximum power	55KW	55KW
DC voltage operating range	500-1000V	250-900V
DC side full load voltage range	500-900V	320-900V
Maximum DC current	100A	80A*2 2 channels (independent), 1 channel (parallel)
Rated AC voltage	400Vac, 3W+N+PE/3W+PE
Rated frequency	50/60hz ±5
Rated AC current	72A
overload capacity	110% normal operation, 120% operation for 1 minute, 150% operation for 10s
Current Distortion	<3% (rated power)
Power factor adjustment range	±1
with unbalanced debt capacity	100%, three-phase independent control
Adapter battery	Lithium battery/lead acid/photovoltaic module
charging method	According to BMS instruction, three-stage, MPPT
maximum efficiency	98%	97%
Dimensions mm	483x600x150	483x700x150
Weight KG	25	35

Static Transfer System   
 

model	Symonet-150STS	Symonet-250STS	Symonet-500STS
Rated AC power kW	150	250	500
Maximum AC power kVA	165	275	550
Rated AC voltage	400Vac, 3W+PE
Rated frequency	50/60hz ±5
Rated AC current A	216	361	722
switching time	<10ms
Synchronous control and protection interface	CAN/IO input/relay output, load current CT
Dimensions mm	483x600x170(19inch 4U)
Weight KG	25

how to choose DC-AC converter module ?
We need consider several factors such as power requirements, input and output voltage, efficiency, and cost. Here are some steps to help you choose a DC-AC converter module:
Determine your power requirements: Calculate the power needed for your application by determining the wattage of the devices you want to power. Make sure to account for the surge current that some devices may require.
Determine the input voltage: The input voltage is the DC voltage that the converter will receive. Make sure the input voltage range of the converter matches the voltage of your DC power source.
Determine the output voltage: The output voltage is the AC voltage that the converter will produce. Make sure the output voltage range of the converter matches the voltage required by your devices.
Consider efficiency: Efficiency is the percentage of power that the converter can deliver to the load. Look for a converter with high efficiency, as this will reduce the amount of power lost in the conversion process.
Consider waveforms: There are two types of output waveforms: pure sine wave and modified sine wave. Pure sine wave output is more efficient and better suited for sensitive equipment such as medical devices, while modified sine wave output is more cost-effective and suitable for most other applications.
Consider cost: Finally, consider the cost of the converter. Higher power and efficiency usually come at a higher price, so choose a converter that meets your requirements while staying within your budget.

how to choose DC-DC converter module ?
Choosing the right DC-DC converter module depends on several factors, including the input voltage range, output voltage and current requirements, efficiency, size, and cost. Here are some steps you can follow to choose the appropriate DC-DC converter module.


What is the function of STS?
STS is used in energy storage systems (ESSs) to provide reliable and uninterrupted power to critical loads. In an ESS, the STS plays a similar role as in a backup power system, but with some differences in the control logic and design.
In an ESS with an STS, the STS monitors the state of charge (SOC) of the batteries or other energy storage devices, as well as the incoming power from the utility or other power sources. The STS will automatically transfer the load to the energy storage system when the SOC of the batteries is high enough, and switch back to the utility or other power source when the SOC falls below a certain threshold.
The STS in an ESS may also have other functions, such as controlling the charge and discharge rates of the energy storage devices to ensure optimal performance and longevity, and monitoring the health of the energy storage system.
Overall, the STS in an ESS helps to ensure a reliable and uninterrupted power supply to critical loads, while also optimizing the use of energy storage devices and maximizing their lifespan. The use of STSs in ESSs is becoming increasingly common as the demand for energy storage systems continues to grow in the renewable energy and backup power markets.