Power Quality Analyzer

RS485 Smart Solar Junction Box Accessories IP65 SPD For Photovoltaic Power

 

Longmax   RS485 wireless suite  installed in   intelligent PV combiner boxes, Longmax   intelligent DC cabinets, inverters and back-end servers of a power plant,  solar combiner boxes component and attachments
 

 

Quick Detail:

 

DCDC Converter, data collecting card module, enclosure

PV fuse, fuse holder, cable, breaker, Cooper bus bar

DC Cabinet intelligent monitoring device, wireless suite, environmental monitoring  String monitoring box ,Solar-log professional monitoring and control system, blocking diode, power quality analyzer

 

Description:

 

Longmax  RS485 wireless suite

Longmax   RS485 wireless suite can be installed in Longmax   intelligent PV combiner boxes, Longmax  intelligent DC cabinets, inverters and back-end servers of a power plant.

 

Communications of power plant equipment is no longer an issue as it can be connected easily and conveniently via Longmax   RS485 wireless suite.

 

In many cases, Longmax   RS485 wireless suite provides a useful alternative for photovoltaic power plants.

 

Key features:

 

1,Half-duplex communication, suitable for point-to-point and point-to-multipoint communication.

 

2,Able to support concurrent multi-channels with a variety of communication speeds.

 

3,Operates within line of sight, antenna height > 2 m, antenna gain 3 dbi, reliable transmission separation > 4000 m (BER = 10-5/9600 BPS).

 

4,Designed to be highly reliable, easy to install, light weight and small size.

Model List	LM-PVA
Input
Max Input Voltage (Vd.c.)	1000
Total rated Input Current (A)	160
Rated Input Current per string (A)	10
Number of input strings	16
Max. Input Current (A)	12
Construction
Protective class	I
Degree protection of enclosure (IP)	IP65
Overvoltage Category (OVC)	OVC III
Pollution degree (PD)	PD 3
Temperature range (°C)	-25 to + 55
Weight (kg)	34
Size (mm)	900*500*155

 

OAdd/delete table rows by means of [Ctrl-Insert] or [Ctrl-Delete] when the cursor is inside the table.bject / part No.	Manufac­turer / trademark	Type/ model	Technical data	Stan­dard	Mark(s) of conformity
Critical Components Material: e.g. external enclosure, PCB, closed-end connector, sleeves, cord anchorage etc Components with winding: e.g. motor, transformer, magnetic coil etc. Other components: e.g. switch, thermostat, heater, plug, internal wire, capacitor, relay, varistor etc.
Enclosure box	Longmax	AE	900*500*155mm, thickness: 1.5mm,IP65
	EXM	EXM 6412	700*600*200mm, thickness: 2mm, IP66		CSA/UL
	Nitto	AE	700*600*200mm, thickness: 2mm, IP66		CCC,ROHS,CE
Cable waterproof Tie-in	Shengyang Dianzi	PG9 PG11 PG29		EN 60947-:2007	CE,UL,SGS,ROHS
	Hummel	PG9 PG11 PG29			CE,UL,
Fuse holder	Bussmann	CHPV1U	1000V, 30A	GB/T13539.2-2008 EN 60269-2	CE, CCC (2011010308501057)
	Weidmuller	WSI 25/1 1KV	1000V, 30A		UL(E355388)
	Hugong	CH10-15	1000V, 30A		CCC,CB
Fuse	Bussmann	PV-15A10F	15A, 1000Vdc	UL 2579	UL (E335324)
	Hugong	PV-15A10F	15A, 1000Vdc		CCC,CB
Internal cord	Suzhou Baoxing Electric Wire  &Cable Co., Ltd.	PV1-F1X10	10mm2, 1800Vdc,  60A, 120°C		CCC,UL,VDE
	Shanghai Jingchang electrical technology Co., Ltd.	PV1-F1X10	10mm2, 1800Vdc,  60A, 120°C
	Shanghai Jinyou Jinghong Electric Wire & Cable Co.,Ltd.	PV1-F 1X10mm2	10mm2, 1800Vdc,  60A, 120°C	2 PfG 1169/08.07	TUV (R50163227)
Surge protective devices (SPD)	DEHN + SOEHNE GMBH + CO KG	952515	Ucpv=1000Vdc, Iscwpv=1000A, Itotal 40kA	UL 1449	UL (E319777)
	Weidmuller	VPU II 3 R PV 1000V DC (1351290000)	Ucpv=1000Vdc, Iscwpv=200A, Itotal 40kA
Circuit-breaker QF01	Beijing People	GM5-250P 200A Y1D/Y2B	In=200A, Ue=DC 1000V, Uimp=8kV,         series connection	GB 14048.2 IEC60947-2 UL489B	CCC,CB,CE,TUV
	Changshu switchgear mfg. Co., Ltd.	CM3DC-250/4P In=200A Y1	In=200A, Ue=DC 1000V, Uimp=8kV,         series connection		CCC
	Noark	Ex9MD2B	In=200A, Ue=DC 1000V, Uimp=8kV,         series connection	GB 14048 IEC/EN 60947-2	CCC,CB,CE,TUV
	Shanghai Xinchi Electric Co.,Ltd.	SM1-225PV/4 DC1000V Y1	In=200A, Ue=DC 1000V, Uimp=8kV,         series connection		CE,CCC,CB,TUV
Terminal for earthing	Weidmuller	SAKPE 16	16mm2	UL 486A-486B	UL (E60693)
	Weidmuller	SAKPE 35	35mm2	UL 486A-486B	UL (E60693)
Protective bonding wire	Jiangnan Wire	BVR10	10mm2	GB/T5023.5-2008 EN 50178 EN 61439-1	CCC,TUV,SABS,ROHS,PCCC
Note(s): An asterisk indicates a mark that assures the agreed level of surveillance.

 

 According to the function, it will have a standard combiner box (SAB) and an intelligent combiner box (SCB).

According to different install environment, will have polycarbonate (PC) and steel box can be selected.

We choose raw materials strictly on quality first. All components comply with DIN and VDE standards.  They are high quality standardized components, and all adhere to the highest quality standards.

 

Key features:

 

1,CE, TUV, CQC certifications.

 

2,Meet outdoor installation requirements, IP65.

 

3,All components meet rated voltage DC1000 V system.

 

4,PV DC 1000V fuse and DC 1000V breaker.

 

5,Class(II) PV DC1000V SPD.

 

6,Monitor current of each string, total voltage, circuit breaker status, SPD status.

 

7,local display and read the data on background, can accurately identify the fault, location (only applicable to SCB-II)

PV DC power distribution box

 

Photovoltaic DC distribution cabinet is mainly used in large-scale photovoltaic power plants, used to connect photovoltaic inverters to the combination boxes, and can be used with common inverters.

 

Key features:

 

1,  With multifunctional monitoring instruments, it measures information such as current, voltage and power. Through the RS 485 communication interface, it is able to collect

 

information such as circuit breaker status and SPD status, as well as manage the DC distribution cabinets.

 

2,  Designed with lightning protection and an over-current protection function.

 

3,  Built with a reliable, durable and enclosed structure internal copper bar connection, it is convenient for the field wiring and easily maintained.

 

4, High-performance components from internationally recognized brands ensures the system's long-term viability.

 

5,Able to be customized according to customers’ specific requirements.

 

 

PV monitoring device SCBM series products

 

 

The PV monitoring device SCBM series is specially designed for use with Longmax    intelligent PV combiner box (SCB) and Longmax string monitoring box (SMB).  It is used to

 

monitor the running state of panel’s strings, measure the current of strings, voltage, sampling status of the SPD, status of the DC circuit breaker. Use relayoutput to drive

 

the external actuators. The device cannot only display therunning status of the equipment, but also connects the industrial equipment,computer and Solar-log to be a totally Monitoring system by the RS485 interface.

 

Key features:

 

1,Current measurement ability ranging from 8 to 16 to 32 strings.

 

2,Vertical installation, is thinner and saves more internal space in the combiner box.

 

3,Short thread type connection mode allows for easy installation and improved efficiency and reliability of the combiner box.

 

4,Easy -to-use interfaces allowing the Communication address, rate and parity bit.

 

5,All-circuit with high-voltage isolation design, safe and reliable.

PV blocking diode

 

It is a device mainly used between photovoltaic strings to SCB, to prevent Current flow around caused by voltage differences and reduce the lowering of voltage of the system after strings parallel connection in SCB. It can reduce safety loopholes and improve the generating capacity during the construction and after long running times of photovoltaic power plants.

 

Key features:

 

1, Rating voltage: 2000V.

 

2, Usings a high-quality chip with good temperature characteristics and current overload capacities.

 

3,Designed with the ability to self-cool, there is no need for additional equipment.

 

4,Created to be a small size and light weight.

 

5,High protection grade allows for easy use in all weather situations outdoors.

 

6,Easy install,can be directly connectedbetween series PV cables. It is suitable for a new-construction or remodeled PV power plant.

 

7,Maximum forward current 20A and maximum reverse voltage 2200V.

 

 

Solar-Log professional monitoring and control system

 

Longmax SMB & Solar-Log 1000 – Monitors large-capacity photovoltaic power stations:

 

Many large-capacity power stations are not entirely monitored. Longmax   series monitoring box provides the appropriate tools to detect the status of strings and provide alarm

 

information. Longmax   SMB combining with Solar - Log ™ provides the best solution for upgrading to string monitoring. When the existing combiner box only connects strings

 

without monitoring them, Longmax   SMB is highly useful.

 

With Longmax   RS485 wireless set plant upgrades and string monitoring becomes more feasible.

 

Longmax   SMB consists of two parts:

 

1,Monitoring device (detection module - 16-way string measurement and communication module - RS485 interface).

 

2,Power module (direct from the strings, wide voltage input: DC200~1200V).

 

DC cabinet intelligent monitoring device PVBM series products

 

DC cabinet intelligent monitoring device PVBM series is specially designed for intelligent photovoltaic DC cabinets. They monitor current, DC voltage, status of circuit breakers

 

and SPD. The device can display data measured and collected through a local color touch screen, and have  RS485 communication interface also.

 

Key features:

 

1, LCD screen constructed of industrial-grade high-temperature variation material.

 

2,Uses a high-resolution color touchscreen, comprehensive display running status of systems and fault alarms.

 

3,External sensors use an open type current measurement method offering convenient maintenance and replacement.

 

4,Strong anti-interference ability, easy to install and highly durable.

 

5,Panel embedded installation

 

 

AC/DC Integrative Cabinet

 

Mainly used for commercial or small household solar systems, photovoltaic (PV) strings can be connecting to equipment DC input terminal, the equipment DC output connect to the inverter input terminal, connecting inverter AC output to the equipment AC input terminal, the equipment AC output connect to the AC user. The product is compact, safe, reliable, stable, durable and fashionable.

 

Key features:

 

1,Up to IP65 protection class, dust-proof, waterproof and all-weather features.

 

2,Designed with SPD and an anti-leakage protection system to maximize user safety.

 

3,Controls the over-current protection function, protects the grid inverter and ensures security of the power system.

 

4, Automatic shut-off function - in case of an emergency, it can quickly cut off the DC and AC power.

 

5,Fuse protection on DC and AC sides to better protect components and the safety of the electrical equipment.

 

6,DC side 2 -way DC10A, DC1000V input, AC side 16A, AC500V output.

 

 

Power quailty analyzer

 

Predominantly used in electrical power automation system Remote Terminal Unit

 (RTU’s), it is applicable tobelow 0.4 KV systeminput cable, bus coupler,output cable and inverter output power monitoring.  It can also be used as a power distribution system

 

of the multi-functional power analysis instrument. Main application fields include: medium and low voltage power distribution systems, intelligent switch plate arks, factory

 

automation systems, industrial machinery, equipment, energy management systems, intelligent buildings and photovoltaic inverter output power quality analysis.

 

Key features:

 

1,Adopts advanced valid values measurement methods and digital signal processing technology.

 

2,Applicable to non-linear load system power quality, such as harsh environment or systems with high-quality requirements of electrical power.

 

3,Perfect energy metering function, also suitable for electrical energy management or cost control.

 

4,Uses large screen blue backlit LCD display with clear image.

 

5,Installation is reliable and fast.

 

Solar-Log on-grid management system

Applicable to any power plant scale, 1 or 100 plants, private use or industrial use.

 

Provides maximum security and return on investment for solar photovoltaic power plants.

 

Key features:

 

1,Brings the benefits for owners and investors of power plants.

 

2,Promotes operational efficiency and maximizes the return on investment.

 

3,Minimizes risk of financial loss.

 

4,Reliable data record that is easy to maintain and highly beneficial for insurance claims.

 

5,Easy to use image display.

 

6,Compatible with all inverters.

 

7,the most flexible connectivity," plug and play".

 

8,Can centralize monitoring and manage multiple power plants and customers.

 

The environmental monitoring instrument

 

The environmental monitoring instrument includes radiation sensors, temperature sensors and a wind sensor.

 

Key features:

 

1,the environmental monitoring instrument records variances between the possible and the actual power production levels and delivers key indicators relating to the quality of the system as a whole.

 

2,The Solar-Log™ continuously compares the yield data from the solar plant with the measurement results from the various sensors. If a variance exists, the Solar-Log™ generates

 

 

  PV Fuse holders
SPD Surge protection Device

 

DCDC Converter,data collecting card module,enclosure

PV fuse,fuse holder,cable,breaker,Cooper busbar

DC Cabinet intelligent monitoring device,wireless suite,environmental monitoring  String monitoring box ,Solar-log professional monitoring and control system,blocking diode,power quality analyzer