New Energy Smart Microgrid System- Zhejiang Yongtailong Electronic Co., Ltd

SMART MICROGRID SYSTEM

The YTL smart microgrid system is a one-stop solution for Internet +new energy power generation +prepaid electricity sales for new energy power generation operations.

Through the integration of operational data, environmental data, grid data, and user energy consumption data, it realizes big data analysis, load forecasting and management, power generation forecasting and other functions, opening up and optimizing the operation efficiency of energy production and energy consumption, and dynamic demand and supply at any time Adjustment; Smart power generation side, power consumption side and energy storage devices are connected to the whole loT network and self-management is achieved through information flow, thereby significantly improving the efficiency of energy production and consumption. The structure ofa smart microgrid is different due to different load requirements, but its basic units include distributed power sources(micro energy), energy storage devices, EMS management systems, and loads. The YTL smart microgrid system is a comprehensive system that helps reduce the cost of energy use, improve the safety of energy use and safeguard environmental quality.

SYSTEM CHARACTERISTICS

●The system provides a complete end-to-end solution for simple operation and maintenance.

●Automatic microgrid-based communication detection reduces personnel monitoring costs and equipment maintenance costs.

●Adopt hierarchical and distributed energy management strategy to improve the overall performance of the system.

●Flexible and scalable software and hardware architecture system designed based on cloud platform and big data architecture.

●The system combines power generation and power sales to improve power efficiency through data analysis and control.

●Adopting non-medium prepaid electricity sales mode, unique electricity sales key, safe and reliable.

PHYSICAL LINK ARCHITECTURE DIAGRAM

COMMUNICATION LINK DIAGRAM

ENERGY STORAGE STANDARD BATTERY

Features

The YTL smart microgrid system is a one-stop solution for Internet+new energy pothe safety of energy use and safeguard environmental quality.

Core Advantages

●BMS Core research and development capabilities.

●Power system integration capabilty.

●Accumulated different types of energy storage customers.

●PACK, BMS independent research and development and production, delivery time is controllable.

●Mature pre-sales and after-sales team and on-site support capablities.

38.4V280AH	Serial & parallel	1P12S
	Voltage range	30-43.8V
	Recommended charging and discharging current	140A
	Max charge and discharge current	280A
	Max working temperature	-20~55℃
	Design life	>10year
	Cycles(0.5C)	5000@25℃
	Weight	73kg
	Protection level	Ip20
	Dimensions (mm)	478×554×224
	Fulfill the standard	UN38.3/UL1973 /UL9540A
38.64V346AH	Serial and parallel	2P12S
	Voltage range	30-43.8V
	Recommended charging and discharging current	173A
	Max charge and discharge current	346A
	Max working temperature	-20~55℃
	Design life	>10year
	Cycles(0.5C)	5000@25℃
	Weight	87kg
	Protection level	IP20
	Size (mm)	600×454×224
	standard	UN38.3/UL1973 /UL9540A
28.8V240AH	Serial and parallel	6P9S
	Voltage range	22.5-32.85V
	Recommended charging and discharging current	240A
	Max charge and discharge current	480A
	Max working temperature	-20~55℃
	Design life	>10year
	Cycles(0.5C)	5000@25℃
	Weight	67kg
	Protection level	IP20
	Size (mm)	600×544×162
	Standard	UN38.3/UL1973 /UL9540A

ENERGY STORAGE STANDARD BATTERY CLUSTER

Parameter	729.6V280A	734.16V346A	662.4V240A
Serial and parallel	1P228S	2P228S	6P207S
Voltage range	570-832.2V	570-832.2V	517.5-755.55V
Recommended charging and discharging current	140A	173A	240A
Max charge and discharge current	280A	346A	480A
Max working temperature	-20~55℃	-20~55℃	-20~55℃
Design life	>10year	>10year	>10year
Cycles	5000@25°C 0.5C	5000@25°C 0.5C	5000@25°C 1C
Weight	1550kg	1850kg	1700kg
Protection level	IP20	IP20	IP20
Dimensions (mm)	1008×600×2500	1328×500×2500	1156×545×2295
Matching battery module	1P12S	2P12S	6P9S
Communication method	CAN/RS485	CAN/RS485	CAN/RS485
Standard	UN38.3/UL1973 /UL9540A

THREE-PHASE OFF-GRID INTEGRATED CONTROLLER & INVERTER

1. Adopt intellgent power modules of internationally renowned brands.

2. Perfect protection function and alarm function.

3. Wide input voltage range.

4. RS485 communication, host computer monitoring function, realize remote data collection and monitoring.

5. Integrated design of MPPT controller and inverter, compact structure and easy installation.

	Model	BNSA48-5KD-T
DC input	Input rated voltage(Vdc)	48Vdc
	Input rated current (A)	104A
	Input DC voltage range(Vdc)	40-75Vdc
PV input	PV input MAX voltage(Vdc)	200Vdc
	MPPTOperating voltage range (V)	100-200
	Starting voltage (V)	125
	Rated current	104A
	MPPT channels	1
AC output	Output rated capacity (kVA)	5kVA
	Rated output power(kW)	4kW
	Output rated voltage & frequency	220Vac,50Hz
	Output rated voltage and frequency (A)	22.73A
	Output voltage accuracy (V)	220V±3%
	Output frequency accuracy (Hz)	50Hz±5%
	Waveform distortion rate (THD)	≤5%
	Dynamic Response (Load 0<—>100%)	5%
	Power factor (PF)	0.8
	Overload capacity	120%, 10S
	Crest factor(CF)	3:1
	Inverter efficiency(80%Resistive load)	90%
	Power frequency isolation transformer output
Working environment	Dielectric strengthVac(lnput & output)	1500Vac, 1min
	Noise (Im)	≤50dB
	Ambient temperature	-10℃~+50℃
	Relative humidity	0-90%
	Operating altitude(m)	≤2000
Protective function	Input reverse protection, input undervoltage protection, input overvoltage protection, output overload protection, output short circuit protection

BIDIRECTIONAL ENERGY STORAGE INVERTERS

1. Using 32-bit DSP+ARM platform, touch screen operation

2. Support RS485, Ethemet communication, optional CAN communication to realize remote monitoring

3. Using three-phase four-wire bridge arm structure, can cary 100% unbalanced load

4. Meet the access of different forms of energy storage such as lead-acid batteries, lithium batteries, super capacitors, vanadium batteries, etc, with a wide range of applications

Model	YTL220-10kTL	TL220-20kTL	TL220-30kTL
AC wiring	Three-phase four-wire
Rated output power	10KW	20KW	30KW
Output overload capacity	11KW	22KW	33KW
Rated grid voltage	380Vac
Grid voltage	380Vac±5%	380Vac±5%	380Vac±5%
Rated grid frequency	50Hz
Frequency Range	49.5 Hz -50.5 Hz
Total current waveform distortion rate(THD)	<4%
Power factor	≥ 0.99
Rated output voltage	380V ac
Output voltage distortion	<3%
Rated output frequency	50Hz
Voltage transition range	10%
Output overvoltage protection	>450Vac
Output undervoltage protection	<310Vac
MAX DC power	11KW	22KW	33KW
DC voltage range	200-700V dc
MAX input current	90A dc
Stabilization accuracy	±1%
Steady flow accuracy	±2%
DC current ripple	<5%
MAX conversion efficiency	97%
Noise (Im)	<60dB
Ambient temperature	-25℃~+45℃
Cooling method	Air-cooled
Relative humidity	0-95%
Display	Touch screen
Communication method	Ethernet/RS485
Weight	47kg
Protection level	IP20
Dimensions (mm)	631228770

THREE-PHASE OFF-GRID INVERTER


YTL380-50KS	YTL380-100KS	YTL480-200KS	YTL480-500KS

Model	YTL380-50KS	YTL380-100KS	YTL480-200KS	YTL480-500KS
Isolation method	Power frequency transformer isolation
Way of working	Three-phase four-wire
Rated DC input voltage (Vdc)	380	380	480	480
MAX input current	132A	260A
DC input voltage range (Vdc)	330Vdc~550Vdc		420Vdc-580Vdc
Rated AC output power (kW)	50	100	200	500
Power harmonics THD	<3% (At rated power)
Power factor	>0.8(At rated power)
MAX efficiency	85%
Rated output AC voltage (Vac)	380Vac±2%	380Vac±2%	400Vac±2%	400Vac±2%
Rated output AC current (A)	76A	152A	303A	760A
Rated output AC frequency (Hz)	50Hz±1%
Protective function	Input reverse connection protection, input undervoltage protection, input overvoltage protection, output overload protection, output short circuit protection, overheating protection
Operating temperature	-10°C~+45°C
Relative humidity	0-95%
Cooling method	Air-cooled
Dimensions (mm)	65014201365	65014201365	15508501880	220010002260
Protection level	Ip20

MPPT CONTROLLER

1. Fully digital inteligent tracking algorithm, conversion efficiency up to 95%

2. Increase the charging strategy (first constant current, then constant voltage, finally float charge) to protect the battery and extend its life

3. Use RS485 communication, standard Modbus protocol to realize data monitoring

4. Perfect protection function and alarm function

5. Wide input voltage range solves the problem of component matching and facilitates selection

Parameter\Model		BSD 216-50A	BSD 216-100A	BSD384-50A	BSD384-100A	BSM80-80A
Controller electrical parameters	Rated voltage(V)	216	216	384	384	480
	Rated charging current(A)	50	100	50	100	80
	MAX input voltage of battery (V)	350	350	475	475	580
	PV input voltage range(V)	250-500	250-500	500-750	500-750	600-850
	MAX photovoltaic input p ower (W)	11000	22000	19200	38400	38400
	PV array input control channels	1
	Charging method	MPPT
	Battery charging voltage (Vdc)	245 (Can be set) 245 (Can be set) 440 (Can be set) 440(Can be set) 550(Can be set)
	Self-loss (mA) ww	<300
	Communication method	RS485
	Rated efficiency	>95%
	Protection level	IP20
working environment	Operating temperature	-20°C ~ +50°C
	Relative humidity	<9Cft
	Dielectric strength	1500VAC, Imin
Noise (Im)		<65dB
Protective function		Input reverse connection protection, input undervoltage protection, input overvoltage protection, output overload protection, output short circuit protection, machine overheating protection
Dimensions (mm)		482420222
The charging current of the control cabinet dep ends on the number of modules in the cabinet, see the ratec charging current individually, and the total current is N*rated charging current

ELECTRICITY SALES SYSTEM

This is a pre-paid electricity sales system designed for distributed power generation, which integrates equipment management and control, energy consumption analysis, safety prediction, user management, and recharge payment.

System value

●The system automatically collects meter data to realize remote control operation

●Set the power threshold and automatically trip in case of excessive power to avoid potential safety hazards

●Realize media-free charging,reliable,safe and convenient

●Perform statistical analysis on electricity consumption data to provide data support for reasonable power generation configuration

Electric meter introduction

Voltage	220V
Current	5(60)A
Accuracy class	1.0
Frequency	50Hz
Impulse constant	1600imp/kWh
Display	LCD 5+1
Power consumption	<2W / <10VA @ Un
Load control	Built-in magnetic latching relay
Starting current	20mA
Temperature range	-20°C~70°C
Relative humidity	< 95%
Communication	Wi- Fine
Standard	IEC62051-21
Dimensions (mm)	90mm×36mm×72mm

Introduction to Concentrator

Voltage	220V±20%
Frequency	50Hz-60Hz
Uplink communication	GPRS, RS485
Downlink communication	Wi-Fine
Dimensions (mm)	90mm×36mm×72mm
Read and control the meter via Wi-Fine communication, and upload it to the system platform via GPRS or Rs485

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