FAQ
TSP® standard compensation time, 1-second compensation function, is
electrically capable. The facilities in the target sector, large high-tech
precision new industry sector such as semiconductor, display, automobile,
chemical, steel manufacture, tire, PCB, solar power plant industry and SOC
sector get prime-power-entry voltage-specification of over 154kVA from KEPCO.
The most common instability factor of facilities that use extra-high voltage of
over 154kVA is the “instantaneous voltage sag less than 1-second.” Thus, as the
countermeasure that compensates instantaneous voltage sag or blackout less than
1-second, facilities can replace the existing battery UPS which used to
compensate the blackout of over 15 minutes, with “Smart Power Vaccine®” which
utilizes TSP® that compensates 1-second without a battery. TSP® is “no-battery
instantaneous power compensator” which redeems the weak point of existing
battery UPS, applied in a lump, due to the budget constraint. TSP® aims to
maximize the cost efficiency of the power compensation project. Which means
that it aims to distinguish the target load of less than 1-second compensation
time and the compensation target of over 30min. in average, to apply the
different uninterruptable power supply devices according to the characteristics
of the target loads. The unlimited power compensation method such as emergency
generator system will be applied to the sectors that require over 15 minutes or
unlimited power compensation (e.g. ER or OR in a hospital, SCADA in the
semiconductor factory, computer room, exhaust system, fire service, safety
service, emergency light and etc.).
TSP® has special features as shown below that differentiate itself from the existing USP (Uninterruptible Power Supply) system.
|
Category |
TSP® |
UPS |
note |
|
Energy
accumulation medium |
EDLC: Electrical
Double Layer Capacitor, called “Ultra-Capacitor” |
Storage battery mainly lead
storage battery Recently with
the change of the trend, lithium-ion battery is widely used. |
Price may vary
due to life time, maintenance and management, installation space and etc. |
|
Energy Production
Method |
Physical reaction |
Chemical reaction |
|
|
Life time |
15 years at room
temperature |
Generally about
5 years in average |
Keeping constant
temperature and humidity is necessary, as it tends to have shorter life time
when the surrounding temperature is high. |
|
Compensation
time |
Within 1 sec. ~
5 sec. |
Longer than 15
min. ~ 60 min. |
Selectively
applied in accordance with the target compensation time. |
|
Installation of
device for Constant temperature, Constant humidity |
No additional
device needed Least chance to
have thermogenesis by using Off-Line method. |
Necessary to
install because thermogenesis always occurs with on-Line method. |
|
|
Regular
Maintenance (consumable
supplies) |
Not required |
Necessary |
Regular
maintenance and periodic replacement of battery lifetime and cooling fan |
|
Installation
Space |
100 is
considered as standard |
300 |
Battery installation
place |
|
Opinion |
For less than 1
second instantaneous power compensation, TSP®, for the blackout
of over 5 minutes duration time, USP is reasonable to use. |
||
Although there are formed housing and fins for cooling, TSP® releases
almost no heat because it is operated by off-line.
TSP®’s compensation circuit will not operate until the instantaneous
voltage sag actually occurs. Only the static switch releases a bit of heat
because it is located in parallel with the load and it always stays in the
circuit. TSP® takes no-cooling method which doesn’t need an additional cooling
fan, and compare to the UPS system, it has an advantage as it has no
maintenance factor.
There are many reasons.
1. When voltage
sag occurs, the loads will drop with the Off-Line UPS with smaller capacity
because Off-Line UPS cannot switch-over fast enough. Ultra-fast switch-over is
needed for many sensitive equipment because they start causing problems in a
very short period of time, 1/4 Cycle(4ms). TSP® can switch
over within 1/8 Cycle (2ms).
2. Many other USPs cannot operate under inductive load or low power
factor in switchboard.
3. Due to inrush current which is highly related to current Relays,
Contactors or Starter, users need to choose oversize UPS to bear this inrush
current. For this purpose, Static Switch of TSP® is overrated about 8-10 times
in the aspect of voltage and current, thus the users don’t need to select
oversize unit and select the size of the unit by the continuous VA rating.
4. Precise control is possible because the functions such as adjustable
timer and variable transfer level are already included in each unit. Thus, no
further purchase or installation of additional functions are needed unlike the case
of UPS. USP provides the power current for an unlimited time because it doesn’t
have timing device, and it is very dangerous in any case.
5. There are battery-related problems. Maintenance, replacement and
hazardous waste processing and etc.
Per VA price is lower than UPS because even TSP® with minimum standard
has unique features as stated below.
1. TSP® uses standby structure, super high-speed transfer time of 2mS,
which is highly reliable.
2. TSP® doesn’t need maintenance because it has no additional cooling
fan with Off-Line compensation method.
3. TSP® is very cost-efficient because it doesn’t need additional
maintenance by using low-voltage Ultra-Capacitor with no battery which can last
over 10 years.
4. TSP® includes adjustable Ride-Through Timer and Variable Transfer
Level.
5. TSP® uses Overrated Static Switch which doesn’t need over-sizing
according to changing loads.
6. TSP®’s Housing is more suitable for the harsh industrial
environment.
7. Long-term maintenance cost is negligible because TSP® doesn’t need
regular maintenance.
Even though the initial installation cost is somewhat higher, in the
long term, TSP® is more efficient because it doesn’t need a battery and there
is no regular repair or further replacement cost.