Victron energy BlueSolar MPPT 150/70 Manual de usuario

Manual

Appendix

BlueSolar charge controller MPPT 150/70

Copyrights 2007 Victron Energy B.V.

This publication or parts thereof may not be reproduced in any form, by any method, for any purpose.

For conditions of use and permission to use this manual for publication in other than the English

language, contact Victron Energy B.V.

VICTRON ENERGY B.V. MAKES NO WARRANTY, EITHER EXPRESSED OR IMPLIED,

INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR

FITNESS FOR A PARTICULAR PURPOSE, REGARDING THESE VICTRON ENERGY PRODUCTS

AND MAKES SUCH VICTRON ENERGY PRODUCTS AVAILABLE SOLELY ON AN “AS IS” BASIS.

IN NO EVENT SHALL VICTRON ENERGY B.V. BE LIABLE TO ANYONE FOR SPECIAL,

COLLATERAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH OR

ARISING OUT OF PURCHASE OR USE OF THESE VICTRON ENERGY PRODUCTS. THE SOLE

AND EXCLUSIVE LIABILITY TO VICTRON ENERGY B.V., REGARDLESS OF THE FORM OF

ACTION, SHALL NOT EXCEED THE PURCHASE PRICE OF THE VICTRON ENERGY PRODUCTS

DESCRIBED HERE IN.

Victron Energy B.V. reserves the right to revise and improve its products as it sees fit. This publication

describes the state of this product at the time of its publication and may not reflect the product at all

times in the future

EN Appendix

1. PRODUCT INTRODUCTION

Charge current up to 70 A and PV voltage up to 150 V

The BlueSolar 150/70-MPPT charge controller is able to charge a lower nominal-voltage battery from a higher

nominal voltage P array.

The controller will automatically adjust to a 12, 24, or 48 nominal battery voltage.

Ultra fast Maximum Power Point racking (MPP )

Especially in case of a clouded sky, when light intensity is changing continuously, an ultra fast MPPT

controller will improve energy harvest by up to 30% compared to PWM charge controllers and by up to 10%

compared to slower MPPT controllers.

Advanced Maximum Power Point Detection in case of partial shading conditions

If partial shading occurs, two or more maximum power points may be present on the power-voltage curve.

Conventional MPPT’s tend to lock to a local MPP, which may not be the optimum MPP.

The innovative BlueSolar algorithm will always maximize energy harvest by locking to the optimum MPP.

Outstanding conversion efficiency

No cooling fan. Maximum efficiency exceeds 98%. Full output current up to 40°C (104°F).

Flexible charge algorithm

Several preprogrammed algorithms. One programmable algorithm.

Manual or automatic equalisation.

Battery temperature sensor. Battery voltage sense option.

Programmable auxiliary relay

For alarm or generator start purposes

Extensive electronic protection

Over-temperature protection and power derating when temperature is high.

P short circuit and P reverse polarity protection.

Reverse current protection.

2. SAFETY INSTRUCTIONS

●It is advised to read this manual carefully before the product is installed and put into use.

●This product is designed and tested in accordance with international standards. The equipment

should be used for the designated application only.

●Install the product in a heatproof environment. Ensure therefore that there are no chemicals, plastic

parts, curtains or other textiles, etc. in the immediate vicinity of the equipment.

●Ensure that the equipment is used under the correct operating conditions. Never operate it in a wet

or dusty environment.

●Never use the product at sites where gas or dust explosions could occur.

●Ensure that there is always sufficient free space around the product for ventilation.

●Refer to the specifications provided by the manufacturer of the battery to ensure that the battery is

suitable for use with this product. The battery manufacturer's safety instructions should always be

observed.

●Protect the solar modules from incident light during installation, e.g. cover them.

●Never touch uninsulated cable ends.

●Use insulated tools only.

Danger of explosion from sparking

Danger of electric shock

●At a voltage >75 V, particularly with regard to the open circuit voltage of the PV array, the solar

system must be installed according to protection class II. A chassis grounding point is located on the

outside of the product. If it can be assumed that the grounding protection is damaged, the product

should be taken out of operation and prevented from accidentally being put into operation again;

contact qualified maintenance personnel.

●Ensure that the connection cables are provided with fuses or circuit breakers. Never replace a

protective device by a component of a different type. Refer to the manual for the correct part.

●Connections must always be made in the sequence described in section 4

3. INSTALLATION

This product may only be installed by a qualified electrical engineer.

3.1 Location

The product must be installed in a dry and well-ventilated area, as close as possible to - but not above

- the batteries. There should be a clear space of at least 10 cm around the product for cooling.

The charge controller is intended for wall mounting. For mounting purposes, a hook and two holes are

provided at the back of the casing (see appendix G).

3.2 Battery cables and battery fuse

Do not invert the plus and minus battery connection: this will permanently damage the

charger.

In order to utilize the full capacity of the product, battery cables with sufficient cross section and a fuse

of sufficient current rating should be used.

Some basic formulas for copper cable:

Resistance R

(mΩ@47°C) of a cable with length L (m) and cross section A (mm²): R

= 20*L/A

(1)

Or, with R

in Ω(Ohm): R

=0,02*L/A

(2)

Power loss P

(W) in a cable carrying current I (A): P

= I²*R

= 0,02*l²*L/A

(3)

Power loss P

relative to solar array output P

in %: α= (P

)*100

(4)

Cable cross section required to limit relative power loss to α(%): A = 2*2L*I/(α*V)

(5)

(with total cable length 2L) or:

A = 2*2L*P

/(α*V²)

(6)

EN Appendix

Table 1 below gives some examples of battery cable cross sections calculated with formula (5).

(in this case I and V in formula (5) are the output current and output voltage of the charge controller)

12V system (solar array up to 1000W)

Maximum

solar array

output

Maximum

Charge current

@13,4V

Battery

Fuse

Rating

Power loss in

battery cables

(%)

Length 2x1,5 m Length 2x2,5 m Length 2x5 m

AWG mm

AWG

500W 37A 63A 1 25 3 35 2 Not recommended

750W 55A 80A 1,5 25 3 35 2 Not recommended

1000W 70A

100A 2 25 3 35 2 Not recommended

24V system (solar array up to 2000W)

Maximum

solar array

output

Maximum

Charge current

@26,8V

Battery

Fuse

Rating

Power loss in

battery cables

Length 2x1,5 m Length 2x2,5 m Length 2x5 m

AWG mm

AWG

500W 18A 35A 1 6 10 10 7 16 5

1000W 37A 63A 1,5 6 10 10 7 25 3

2000W 70A

100A 2 10 7 16 5 35 2

36V system (solar array up to 3

000W)

Maximum

solar array

output

Maximum

Charge current

@40,2V

Battery

Fuse

Rating

Power loss in

battery cables

Length 2x2,5 m Length 2x5 m Length 2x10 m

AWG mm

AWG

750W 21 35 0,5 6 10 10 7 16 5

1500W 42 63 0,5 16 5 25 3 35 2

3000W 70A

100 1 16 5 25 3 35 2

48V system (solar array up to 4

000W)

Maximum

solar array

output

Maximum

Charge current

@53,6V

Battery

Fuse

rating

Power loss in

battery cables

Length 2x2,5 m Length 2x5 m Length 2x10 m

AWG mm

AWG

1000W 21 35 0,5 6 10 10 7 16 5

2000W 42 63 0,5 10 7 16 5 35 2

4000W 70A

100 1 10 7 16 5 35 2

1) Taking into account 6% loss (battery cables + controller + PV cables + fuses)

Table 1: Battery cable cross section and power loss

3.3 PV connection

The PV input current of the charge controller is limited to 50A. In case of a potential solar array output

exceeding 50A, the solar array voltage will increase up to the level at which the output is reduced to

50A.

The voltage on the PV input should never exceed 150V under any condition.

The charger will be permanently damaged if the input voltage is too high.

The required PV cable cross section depends on array power and voltage. The table below assumes

that maximum PV power has been installed. Cable cross section can be reduced in case of smaller

solar arrays.

The best efficiency is reached at a PV input voltage that is twice the battery voltage.

DC circuit breakers or fuses must be installed in the positive and negative PV cables, to enable

isolation of the charger during installation or maintenance.

The table below gives some examples of cable cross sections calculated with formula (5).

(in this case I and V are the output current and output voltage of the solar array)

12V system (solar array up to 1000W)

Solar array

MPP-voltage

[V]

Solar array

MPP-current

[A]

Power loss

in PV cables

(%)

Length 2x5 meter Length 2x10 meter Length 2x20 meter

AWG mm

AWG

18 Max 50A Not recommended Not recommended Not recommended

36 27 1 16 5 35 2 Not recommended

54 18 1 10 7 16 5 25 3

72 13 0,75 6 10 10 7 25 3

90 11 0,5 6 10 10 7 16 5

108 9 0,5 4 11 6 10 16 5

24V system

(solar array

up to

2000W)

Solar array

MPP-voltage

[V]

Solar array

MPP-current

[A]

Power loss

in PV cables

Length 2x5 meter Length 2x10 meter Length 2x20 meter

AWG mm

AWG

36 Max 50A 1 35 2 Not recommended Not recommended

54 37 1 16 5 25 3 Not recommended

72 28 0,75 10 7 25 3 35 2

90 22 0,5 10 7 25 3 35 2

108 19 0,5 6 10 16 5 25 3

36V system

(solar array

up to

3000W)

Solar array

MPP-voltage

[V]

Solar array

MPP-current

[A]

Power loss

in PV cables

Length 2x5 meter Length 2x10 meter Length 2x20 meter

AWG mm

AWG

54 Max 50A 1 25 3 35 2 Not recommended

72 42 0,75 16 5 25 3 Not recommended

90 33 0,5 16 5 25 3 35 2

108 28 0,5 10 7 25 3 35 2

48V system

(solar array

up to

4000W)

Solar array

MPP-voltage

[V]

Solar array

MPP-current

[A]

Power loss

in PV cables

Length 2x5 meter Length 2x10 meter Length 2x20 meter

AWG mm

AWG

72 Max 50A 1 16 5 35 2 Not recommended

90 44 1 10 7 25 3 35 2

108 37 0,75 10 7 16 5 35 2

Table 2: PV cable cross section and power loss

3.4 Optional connections

3.4.1 Voltage Sense

For compensating possible cable losses during charging, two sense wires can be connected to

measure voltage directly on the battery. Use wire with a cross-section of 0,75mm² and insert a 0,1

Amp fuse close to the battery.

During battery charging, the charger will compensate the voltage drop over the DC cables up to a

maximum of 1 Volt (i.e. 1V over the positive connection and 1V over the negative connection). If the

voltage drop threatens to become larger than 1V, the charging current is limited in such a way that the

voltage drop remains limited to 1V.

The warning triangle on the LCD will blink if the voltage drop reaches 1 Volt

3.4.2 Temperature Sensor (see figure 1)

The temperature sensor supplied with the product may be used for temperature-compensated

charging. The sensor is isolated and must be mounted on the battery minus pole.

3.4.3 CAN bus interface

The charger is equipped with two CAN bus RJ45 sockets.

EN Appendix

The CAN bus on this charger is not galvanically isolated. The CAN bus is referenced to the

minus battery connection.

The CAN bus interface will be referenced to ground if the minus pole of the battery is grounded.

In case of a positive grounded system, a CAN isolation module will be needed to reference the CAN

bus interface to ground.

To prevent ground-loops, the charge controller has an internal 33 Ohm resistor between CAN-GND

and the battery minus output of the charge controller.

3.4.4 Programmable relay

The charge controller is equipped with a potential-free Single Pole Double Throw relay that by default

is programmed according to option 3 below.

The relay can be programmed to energize on one of the following events:

•option 1: when the maximum voltage on the PV input is exceeded

•option 2: when the temperature protection becomes active

•option 3: when the battery voltage becomes too low (adjustable low voltage limit)

•option 4: when the charger is in equalisation mode

•option 5: when the charger is in error mode

•option 6: when the charger temperature drops below -20°C (-40°F)

•option 7: when the charger is in over-voltage mode (adjustable over voltage limit)

3.4.5 Parallel charging

Several charge controllers can be connected to the same battery.

The PV inputs should not be connected in parallel. Each charge controller should be

connected to its own PV array.

4. POWERING UP

4.1 Connecting the battery

Close the connection to the battery, but DO NOT connect the solar array.

All the icons of the display will now light up:

This is followed by the software version:

In this case the Software-version is 1.1.6

After the software-version has been displayed, the

charger will start the system voltage recognition

phase.

The LCD-screen displays two values:

Left: system (= nominal battery) voltage (12/24/36 or

48V), blinking during the battery recognition phase.

Right: actual measured battery voltage.

In some instances the charge controller might not reflect the correct system voltage (e. g. if the battery

is deeply discharged and the actual battery voltage is far below the nominal voltage). In that case the

system voltage can be adjusted manually, see section 4.2.

If the nominal battery voltage shown is correct, press the SETUP button to accept.

Alternatively, the battery voltage shown becomes final automatically after connecting the PV array,

when PV current starts flowing.

4.2 Adjusting system voltage

(adjust only if the system voltage as displayed is wrong)

a. Press SETUP during 3 seconds: the “Menu” icon will light up.

b. Press the "-" or "+" button several times until

the screen shows “AUto”, or a system voltage.

c. Press SELECT: “AUto” or the system voltage will blink.

d. Use the "-" or "+" button to decrease or increase system voltage.

e. Press SETUP to confirm the change, the value will stop blinking,

and the change is made final.

f. Press SETUP during 3 seconds: the display is back in normal. mode and the “Menu” icon will

disappear.

Note: a 36V system will not be detected automatically and must be set with help of the above

mentioned procedure.

Blinking:

Nominal battery voltage

(12/24/36 or 48V)

Actual battery voltage

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