473797
16
Zoom out
Zoom in
Previous page
1/51
Next page
Protect PV.250 Operating Instructions
Page 16 of 51 80000027023 BAL, en
4.2.2 Fan Control Parameters
Stack temperature limit value for switching on the fan:
If the IGBT stack temperature rises above this limit value, the fans
which were switched off are switched to the fast fan stage.
Stack temperature limit value for switching off the fan:
If the IGBT stack temperature falls below this limit value, the fans
which were running in the slow fan stage are switched off.
Stack temperature limit value for switching to the fast fan
stage:
If the IGBT stack temperature rises above this limit value, the fans
which were running in the slow fan stage are switched to the fast
fan stage.
Stack temperature limit value for switching to the slow fan
stage:
Minimum time in the fast fan stage:
If the IGBT stack temperature falls below this limit value, the fans
which were running in the fast fan stage are switched to the slow
fan stage if the minimum time in the fast fan stage has elapsed.
4.3 Insulation Monitoring and Earthing of PV Cells
4.3.1 General
Insulation measurements and tests are carried out with a "Bender
A-ISOMETER IRDH275B". This device detects and checks the in-
sulation resistance.
The insulation resistance detected is compared with two limit val-
ues stored in the isometer. If the insulation resistance is below one
of the limit values, the device generates a signal. If the limit value
is below the other limit value, the device generates a second sig-
nal. The limit values can be displayed and even modified on the
isometer.
The insulation resistance detected and the two signals are sent to
the Protect PV.250 control. The insulation resistance is displayed
as a measured value. Signalling faults are generated from the two
isometer signals, see Chapter 5.
Sequence control behaviour differs depending on which solar cells
are connected.
The solar cells do not need to be earthed for operation with
monocrystalline or polycrystalline solar cells. Insulation measure-
ment is always active.
In the case of operation with thin-film solar cells, the solar cells
have to be earthed. Insulation measurement is not active during
earthing.
Insulation measurement sequence control features a "Mainte-
nance mode". This mode can only be activated for thin-film solar
cells. Activating this mode removes earthing. This can be useful
when mowing areas where solar panels are installed, for example.
16


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for AEG Protect PV 250 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of AEG Protect PV 250 in the language / languages: English as an attachment in your email.

The manual is 0,63 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of AEG Protect PV 250

AEG Protect PV 250 User Manual - German - 52 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info