EQ cycle stops short oif 2 hour setting

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EW Zuber
Forum Guru
Posts: 122
Joined: Sun Jun 26, 2005 10:30 am
My RE system: (14) Arco Solar ASI 16-2000 (490 watts), (6) Solar World 175's (1KW) on a manually rotatable pole. (15) REC 250 watt panels.(3,750 watts) about to get mounted on a 20' high solar pavilion.
FX 80 controller
Midnite Kid controller
2KW Whirlwind wind turbine on an 85' Rohn tower
8 Trojan L-16 (18 KWH) batteries
1 VFX3648
Honda 2200i
Location: Sterling, Alaska

EQ cycle stops short oif 2 hour setting

Post by EW Zuber »

I have a customer that has a pair of VFX3648's in parallel. The system is set up to run off of batteries until they are discharged then switch over to the grid. He is attempting to run an EQ cycle but the inverters cut off after only a half hour or so. The EQ cycle is currently set for 3 hours as we are trying to get a bank of new batteries up to their specified SG.
Any ideas? Thanks
raysun
Forum Emperor
Posts: 4424
Joined: Tue Jul 26, 2016 5:57 am
My RE system: Flexpower Two: (2) FXR3048A, (2) FM80, MATE3s, FlexNetDC
SimpliPhi 48-3.8 (6 @ 48v)
Outback IBR3 battery enclosure
REC Alpha 440W panels - 2 arrays: each of 4 strings of 2 in series
Honda EU7000is gas fuel generator

Re: EQ cycle stops short oif 2 hour setting

Post by raysun »

Charging is being attempted using the inverter chargers?

The AC source is the grid?

What is the Battery Charger EQ Voltage? EQ Time?

Is the EQ cycle started from the Mate?

When on battery, how is the system configured to switch to grid? How is it configured to switch back to battery?
EW Zuber
Forum Guru
Posts: 122
Joined: Sun Jun 26, 2005 10:30 am
My RE system: (14) Arco Solar ASI 16-2000 (490 watts), (6) Solar World 175's (1KW) on a manually rotatable pole. (15) REC 250 watt panels.(3,750 watts) about to get mounted on a 20' high solar pavilion.
FX 80 controller
Midnite Kid controller
2KW Whirlwind wind turbine on an 85' Rohn tower
8 Trojan L-16 (18 KWH) batteries
1 VFX3648
Honda 2200i
Location: Sterling, Alaska

Re: EQ cycle stops short oif 2 hour setting

Post by EW Zuber »

"Charging is being attempted using the inverter chargers?" yes
"The AC source is the grid?" yes
Charger EQ voltage is 62 volts
EQ time is 3 hours
EQ cycle is started from a Mate 3
"When on battery, how is the system configured to switch to grid?" I installed this system years ago but from memory it is configured to connect to the grid when the battery drops below the 'low battery' voltage which is set at 48V right now.
"How is it configured to switch back to battery?" This may be where the error was. It was set up to disconnect the grid when batteries reached 58.8V for 20 minutes.
I just walked the customer to through resetting this (while we are getting the new batteries up to SG) to 62V for 3.5 hours.
He is going to call me back in a while to let me know if this worked.
Thanks Raysun. BTW I suspect these are your batteries I am working on.
raysun
Forum Emperor
Posts: 4424
Joined: Tue Jul 26, 2016 5:57 am
My RE system: Flexpower Two: (2) FXR3048A, (2) FM80, MATE3s, FlexNetDC
SimpliPhi 48-3.8 (6 @ 48v)
Outback IBR3 battery enclosure
REC Alpha 440W panels - 2 arrays: each of 4 strings of 2 in series
Honda EU7000is gas fuel generator

Re: EQ cycle stops short oif 2 hour setting

Post by raysun »

SimpliPhi lithium batteries?

Or my old Outback 200NC VRLA batteries?
EW Zuber
Forum Guru
Posts: 122
Joined: Sun Jun 26, 2005 10:30 am
My RE system: (14) Arco Solar ASI 16-2000 (490 watts), (6) Solar World 175's (1KW) on a manually rotatable pole. (15) REC 250 watt panels.(3,750 watts) about to get mounted on a 20' high solar pavilion.
FX 80 controller
Midnite Kid controller
2KW Whirlwind wind turbine on an 85' Rohn tower
8 Trojan L-16 (18 KWH) batteries
1 VFX3648
Honda 2200i
Location: Sterling, Alaska

Re: EQ cycle stops short oif 2 hour setting

Post by EW Zuber »

I might have mistaken your handle for someone I bought Hup Solar One batteries from.
On the programming error, it has been so long since I programmed one of these that I had forgotten how to set some of the parameters.
After resetting the grid re-connection voltage at 62.8 and time for 3.5 hours everything went well.
Thanks for your help in this.
raysun
Forum Emperor
Posts: 4424
Joined: Tue Jul 26, 2016 5:57 am
My RE system: Flexpower Two: (2) FXR3048A, (2) FM80, MATE3s, FlexNetDC
SimpliPhi 48-3.8 (6 @ 48v)
Outback IBR3 battery enclosure
REC Alpha 440W panels - 2 arrays: each of 4 strings of 2 in series
Honda EU7000is gas fuel generator

Re: EQ cycle stops short oif 2 hour setting

Post by raysun »

You're welcome.
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