September
2010 |
|
| 1 |
How Can Transformer Audible Noise be Controlled? |
 |
August
2010 |
|
| 4 |
Which SolaHD power supplies are DeviceNet compliant? |
|
| 11 |
What were the Top Ten "Technical Support" questions of the week that were downloaded from our website? |
|
| 18 |
Does SolaHD have DC-DC converters? |
|
| 25 |
What is the maximum kVA rating that we can recommend on our CVS/MC hardware series? |
|
July
2010 |
|
| 7 |
Can
a 60Hz transformer be used on 50Hz system? |
|
| 14 |
Can
you wall mount the general purpose ventilated transformers? |
|
| 21 |
How
can you look-up or get a UL Certification copy from the
UL Website? |
|
| 28 |
What
is a Maintenance Bypass Switch (MBS) for UPS? |
|
June
2010 |
|
| 2 |
Can
DIN rail power supply be mounted in any orientation? |
|
| 9 |
What
are the available grades of stainless steel used in SolaHD’s
transformer enclosures? |
|
| 16 |
What
does it mean with “0 = Occur” and “X = Does not occur” in
reference to the LED lights of the RELAYCARD-SDU? |
|
| 23 |
When
the SDU AC UPS is on battery mode and you are getting a
low voltage measurement, does this mean you have a bad UPS? |
|
| 30 |
Is
there a derating factor when the SDU AC UPS is mounted in
a vertical position? |
|
May
2010 |
|
| 5 |
How
can a transformer be utilized with a slightly different
voltage or not exactly match the nominal? |
|
| 12 |
Can
I use a single phase transformer on a three phase source? |
|
| 19 |
How
does CSA compare to cUL? |
|
| 26 |
Is
the Intellislot SNMPWEBCARD used with the discontinued S4K2U
series compatible with the new S4K2U-C UPS? |
|
April
2010 |
|
| 7 |
When
is it best to use Totally Enclosed Non-Ventilated (TENV)
Transformers? |
|
| 14 |
What
Surge Protective Device should I recommend if a customer
is looking for a SPD for a 240/415Vac Three Phase Wye 4
wire plus ground system? |
|
| 21 |
What is a K-Factor Transformer? |
|
| 28 |
What
accessories do we need to consider when we purchase GL Series
power supplies? |
|
March
2010 |
|
| 3 |
How
do you know if there is a problem with your SDN-C power
supply by just looking at the diagnostic LEDs? |
|
| 10 |
What
changes were made to the SCP-X power supplies? |
|
| 17 |
I
am getting a low voltage output on my CVS/MCR Power Conditioner,
what do I need to check? |
|
| 24 |
How
do you download specifications from the SolaHD Website? |
|
| 31 |
What
is the function of the Single/Parallel Mode dip switch in
the SDN Series Power Supply? |
|
February
2010 |
|
| 3 |
SolaHD
STV200K/STK400 Series - How far can the surge protective
device (SPD) be installed from the panel and how long are
the existing lead wires? Can extra wires be added to install
the SPD further from the panel? |
|
| 10 |
Is
there a %IZ (percent impedance) for our CVS and MCR power
conditioners? |
|
| 17 |
What
is the advantage of the “Green Mode Feature” with SolaHD’s
SDU AC UPS Series and how is it controlled? |
|
| 24 |
What
is the purpose of communication options that are installed
in the intellislot of SolaHD’s S4K, S4KC and S5K Series
Uninterruptible Power Systems? |
|
January
2010 |
|
| 6 |
Is
the internal fuse of our SDN Power Supplies replaceable? |
|
| 13 |
Does
adding extra battery packs increase the idle power draw
or the BTU/hr heat loss for the S4K2U UPS units? |
|
| 20 |
What
will happen if I connect a 240V source to a 10kVA transformer,
rated 480V primary – 240V secondary? |
|
| 27 |
What
are the SolaHD products that have REPO (Remote Emergency
Power Off) features? |
|
December
2009 |
|
| 2 |
What
is a Surge Protective Device and how does it work? |
|
| 9 |
What
are some of the frequent terminologies used in specifying
Surge Protective Devices (SPD)? |
|
| 16 |
What
are some of the components used in Surge Protective Devices
(SPD) and their function? |
|
| 23 |
How
to select or specify a Surge Protective Device? |
|
| 30 |
How
you differentiate between electrical ground and electrical
neutral? |
|
November
2009 |
|
| 4
|
How
does current flow occur within buck-boost transformers without
damaging it, given that primary and secondary wires have
a different gauge? |
|
| 11 |
What
happens to harmonic currents that are introduced on the
input of ferroresonant CVS or MCR Power Conditioners? |
|
| 18 |
What
is the shelf life of a standard power supply? |
|
| 25 |
What
is the difference between a device (product) which is UL
Listed or UL Recognized? |
|
October
2009 |
|
| 7 |
Can
SolaHD SLR Line Reactors be used on the load side of a Drive
? |
|
| 14 |
What
are the differences between LINEAR and SWITCHING power supplies? |
|
| 21 |
What
is the normal life span of a UPS battery ? |
|
| 28 |
When
using the SDU DC UPS, do I need to use the same rating of
power supply as the SDU DC UPS rating? |
|
September
2009 |
|
| 2 |
What
is the difference between "continuous" and "peak"
ratings of DC Power Supplies? |
|
| 9 |
What
is the capacity of the center tap on a 240 volt delta transformer
connection with one phase tapped? |
|
| 16 |
Is
it possible to use SolaHD’s Line Reactors for a 240V
three phase application? |
|
| 23 |
What
are the advantages in using buck-boost transformers? Why
can a buck-boost transformer operate at a much higher capacity
than what is shown on the nameplate? |
|
| 30 |
What
type of loads should not be powered by a UPS? |
|
August
2009 |
|
| 12 |
How
will I know the temperature rise of your LVGP transformer
by simply looking at the catalog number? |
|
| 19 |
What
does floating output mean on our DC power supplies? |
|
| 26 |
How
do you properly size a UPS? |
|
