- 10 -
The charging capacity will go to peak in around 3 seconds. This may cause a generator to drop frequency,
making inverter transfer to battery mode.
It is suggested to gradually put charging load on the generator by switching the charging switch from min to
max, together with the 15s switch delay, our inverter gives the generator enough time to spin up. This will
depend on the size of the generator and rate of charge.
2.5.3 Transfer
While in the Standby Mode, the AC input is continually monitored. Whenever AC power falls below the
VAC Trip voltage (154 VAC, default setting for 230VAC,90VAC for 120VAC), the inverter automatically
transfers back to the Inverter Mode with minimum interruption to your appliances - as long as the inverter is
turned on. The transfer from Standby mode to Inverter mode occurs in approximately 8 milliseconds. And it
is the same time from Inverter mode to Standby mode.
Though it is not designed as a computer UPS system, this transfer time is usually fast enough to keep your
equipment powered up.
There is a 15-second delay from the time the inverter senses that continuously qualified AC is present at the
input terminals to when the transfer is made. This delay is built in to provide time for a generator to spin-up
to a stable voltage and avoid relay chattering. The inverter will not transfer to generator until it has locked
onto the generator’s output. This delay is also designed to avoid frequent switching when input utility is
unstable.
The transfer time from DC to AC is 0ms.
The transfer time from AC to DC is typically 6-8ms, 10ms max.
2.5.4 Frequency adjust
The frequency of the inverter is arranged by the SW4. Refer to the Table 2.5.11.
The factory default configuration for 220/230/240VAC inverter is 50Hz, and 60Hz for 100/110/120VAC
inverter. While the output freq can be easily changed once a qualified freq is applied to the inverter.
2.5.5 Power Saver Mode
There are 3 different working status for TPH inverter: “Power Saver Auto”
、
“Power Saver Off” and
“Power Off”.
When power switch is in “Unit Off” position, the inverter is powered off.
When power switch is turned to either of “Power Saver Auto” or “Power Saver Off”, the inverter is powered
on.Power saver function is designed to conserve battery power when AC power is not or rarely required by
the loads.
In this mode, the inverter pulses the AC output looking for an AC load (i.e., electrical appliance). Whenever
an AC load (greater than 25 watts) is turned on, the inverter recognizes the need for power and automatically
48 Vdc
65 ± 5 Amp
12.000
48 Vdc
100 ± 5 Amp
18,000 24Vdc
300 ± 5 Amp
18,000
48 Vdc
150 ± 5 Amp
24,000 48 Vdc
200± 5 Amp
36,000
48 Vdc
300± 5 Amp
45,000 48 Vdc
350± 5 Amp
Содержание TPH 12KW
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