ChargeGuard Tower 100-200 kVA

100-200 kVA

Continuum ChargeGuard Tower 100-200 kVA 500x500

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Applications

ChargeGuard tower range is a multi function unit that can be used among a vast range of applications such as energy efficient data centres (hyperscale), critical high-density computer & IT environments, hospital & medical critical applications, industrial & commercial applications, water / waste-water, desalination plants, rail / transport critical applications, banks, telecommunication and education facilities.

Continuum ChargeGuard Tower 100-200kVA Blue Ticks

Features & Benefits

  • Wide Input Voltage Range

    138-485V AC, no derating > 305V AC.

  • Power Saving

  • Flexible Battery Configuration

    Batteries number of each group can be selected from 30 pieces to 50 pieces.

  • Ethernet SNMP Card Factory Fitted


  • N+X parallel redundancy, support a maximum of 6 units in parallel


  • 100% Unbalanced Load Support


  • Generator Compatible with “Power Walk” in Function

     
  • ECO Mode Operation for Energy Saving

    Optimises the online process by putting the UPS into Active Standby Mode.

  • Self Testing when UPS Startup

    The UPS self-tests its internal circuits.


  • Cold Start

    Will start without AC Mains, on DC Battery only.

  • Input & Output Isolators & Maintenance Bypass Switch on all models

Optional Accessories

  • Relay output card, Battery temperature sensor
  • Parallel cable for N+x support



Datasheet

ChargeGuard Tower 100-200 kVA Datasheet

Specification Sheets

CHG-T-33-100KVA-LR
CHG-T-33-120KVA-LR
CHG-T-33-150KVA-LR
CHG-T-33-160KVA-LR
CHG-T-33-180KVA-LR
CHG-T-33-200KVA-LR


Specifications


ChargeGuard Tower 100-200kVA
Capacity100kVA120kVA150kVA160kVA180kVA200kVA
Active Power100W120W150kW160kW180kW200kW
External Battery Model
Nominal Battery Voltage+/-240V DC (480V DC)
Maximum Charge Current
40A
60A
Dimensions (WxDxH mm)442x850x1200
Weight (kg)160170200205215220
External Battery ModuleBCAB-T-80-240V-N
Battery Configuration2 x 40 x BAT-12V9AH (VRLA)
Dimensions (WxDxH mm)250x900x868
Weight (kg)215
Custom External BatteryCustomised Battery Design (360V to 600V DC nominal)
Input
Nominal Voltage380/400/415V AC (3Ph+N+E)
Input Voltage Range305-485V AC
Frequency40-70Hz (50/60Hz Auto-Sensing)
Power Factor>0.99
Output
Output Voltage380/400/415V AC (3Ph+N+E)
Voltage Regulation+/-1%
Power Factor0.9
Crest Factor3:1
EfficiencyUp to 95.5%
User InterfaceColour LCD Display -Input/Battery/Output Voltage, Input/Output Frequency, Load %, Remaining Backup Time
Operating Temperature0 to 40C
Humidity Range0-95% non condensing
Audible Noise
<62dB at 1m
<63dB at 1m
<64dB at 1m<66dB at 1m
CommunicationsRS232, RS485,USB,EPO, Parallel Port (N+x), Ethernet SNMP
OptionsUPS-RC Relay Card with remote control, Battery Monitoring System, Parallel Cable


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Top FAQs

Yes, a Continuum UPS will extend the service life of critical components whilst retaining work or process efficiency.

Yes , many models have modular batteries or modular power modules allowing your UPS to grow with you and your business.

When compared to older UPS types, a Continuum UPS is among the highest efficiency UPS products incorporating power saving features and best of class circuit design.

There are several factors that influence sizing a UPS system, including the combined load of all the equipment the UPS will protect, scope for further system expansion, battery runtime and redundancy.


As well as choosing the right UPS topology, correctly sizing an uninterruptible power supply is crucial. Under-sizing inevitably causes immediate problems, while initial oversizing will waste energy, money and valuable floor space.


The easiest way to ensure a correctly sized UPS system is to get prospective suppliers to undertake a full site survey where they can accurately assess your requirements. However, it is possible to broadly size a UPS yourself by following a step-by-step process.


Critical or Non-Critical Loads 

This starts with listing and reviewing all the equipment that will need to be protected by the UPS. Establish whether an item of equipment is critical – and therefore will need the emergency backup provided by the UPS – or non-critical, which can be allowed to fail when the mains power supply does so.


Power Range 

The next step is to calculate the total power range for the combined critical load that needs protecting. It’s important to base this on use during peak working hours, rather than on quieter times such as an office network during the night. Equipment labels and supporting technical data will provide information such as the supply voltage, frequency, number of phases, load current, power factor and power consumption. The power consumption of electrical equipment is stated in either Watts (W) or Volt-Amperes (VA). Because UPS systems are rated by VA or kVA ratings, this may require a conversion from W to VA, which can be calculated by dividing the power consumption (W) by the power factor. Add up all the VA, then multiply this by a figure such as 1.2 or 1.25, which factors in future growth and system expansion. That figure is the maximum size in VA or kVA that your UPS should be. Note that a UPS should never be sized to run at 100% load capacity, as this isn’t recommended for safe, stable and reliable performance.


Potentially Problematic Loads 

Certain equipment (i.e. laser printers, blade servers, air conditioners, certain lighting systems, motors and compressors) have an in-rush of current during start-up or draw higher currents in normal operation, which can cause the UPS to overload. This can lead to intermittent alarms or potentially send the UPS into bypass mode. For these types of load, good practice suggests two options: either remove them from the power protection system (if the equipment can safely power down on mains failure) or oversize the UPS by a factor of at least three.


Battery Runtime 

This is the amount of time you want the UPS to keep equipment operating in the event of a power failure. How to size a UPS battery depends on the nature of the equipment. In some circumstances, runtime only needs to be for a few minutes as a bridge to let the standby generators kick-in and take over.

The battery duration at a specified load level is referred to as the battery ‘autonomy’. A UPS battery can be sized to support loads from a few minutes up to several hours, however the cost of a large battery at a high load level can sometimes mean that a diesel generator should be considered. Increasing the ‘autonomy’ is achieved by adding extra battery strings connected in parallel, however it is important that the charging capability of the UPS system is considered.

Uninterruptible power supplies operating in parallel refers to when the outputs of two or more UPS are connected to supply the load via a common AC busbar.


There are two main configurations:


  • Parallel-Capacity (N) where the total load demand is met by a number of UPS without the provision of any redundancy.
  • Parallel-Redundant (N+X) where the total load demand is met by all the UPS sharing the load between themselves equally. If one of the UPS fails, the remainder are able to continue supporting the load.

‘N’ configuration solutions do not increase system resilience because they lack redundancy - they simply enable increased overall capacity by connecting multiple UPS to work together. The total capacity is calculated by the number of UPS modules used (also known as a Total Power System). 


Because of the lack of redundancy, carrying out maintenance on a parallel-capacity installation means bypassing the entire UPS system so that one or more modules can be powered down for service. During UPS maintenance, the load is powered directly by the mains supply, so it is unprotected to any interruptions.

‘N+X’ configuration solutions are commonly used to protect mission-critical applications in data centres, industrial sites and larger business operations. The main principle behind a parallel-redundant UPS system is that it can continue to support the critical load should one or more UPS modules fail. Compared to N capacity installations, this means it can achieve higher availability and MTBF (mean time between failure).


In addition, this also enables UPS maintenance to take place without interrupting the load. Modules can be powered down for servicing while the remaining UPS continue supporting the load.


During normal operation, each UPS shares the load equally. Similarly, when the UPS system needs to run on batteries, each UPS will still share the load as each module has its own battery set, rather than a shared common battery.


If any of the UPS modules in a parallel-redundant configuration fails or experiences an internal fault, it automatically disconnects from the output AC busbar, while the remaining active UPS continue sharing the load.

In addition to parallel-capacity and parallel-redundant, there are other configurations to consider:


Isolated-Redundant: this is sometimes known as N+1 but it differs considerably to a parallel-redundant N+1 installation. In this configuration, there’s a main UPS module that feeds the load, while the secondary UPS feeds its static bypass. When a fault causes the primary UPS to transfer to bypass, the secondary module accepts the full load.


Distributed-Redundant: also known as Tri-Redundant and typically used in large multi-megawatt data centres. Made up of three or more UPS with independent input and output feeders, with the output buses connected to the load by several PDUs (and in certain cases Static Transfer Switches). This configuration does minimise single points of failure and offers the opportunity for concurrent maintenance, but it also leads to significant load management challenges.

Power factor (pf) is the difference between actual energy consumed (Watts) and the apparent power (Volts multiplied by Amps) in an AC circuit. It is calculated as a decimal or percentage between 0-1 pf and 0-100% i.e. 0.9 pF = 90%. The nearer the power factor is to unity (1 pf), the closer the two waveforms are in phase with each other and the device uses power more efficiently, hence why power factor relates to UPS efficiency.


Convention stipulates that inductive loads are defined as positive reactive power, with capacitive loads defined as negative reactive power. But power factor is never described as positive or negative, it is either lagging or leading.


Lagging Power Factor

These are loads where the current waveform lags behind the voltage by a factor equal to the load’s reactance, typically between 0.5 and 0.95.


Unity Power Factor

Unity power factor (1 pf) loads have the current and voltage waveforms in phase with each other. In the example below, a 2300 VA load with 1 pf has a real power value of 2300 W (2.3 kW).


Leading Power Factor

Loads with a leading power factor have a current waveform that leads the voltage by a factor equal to the load’s reactance, usually between 0.8 and 0.95. Using the same 2300 VA as in previous examples, a leading power factor of 0.766 has a real power value of 1762 W (1.76 kW).

Traditionally, UPS systems were designed to support loads with unity or lagging power factors.


However, modern uninterruptible power supplies can also now handle leading power factors. It does require careful planning during installation though, as leading power factors can place an overload on the UPS that it may not recognise.


Blade servers are the best example of a load with a leading power factor. They are capable of greater processing power within less rack space than traditional file servers and have been widely adopted in the telecoms and data centre sectors because of advantages such as simplified cabling and reduced power consumption.


There are several ways to try and reduce the impact of leading power factors, including increasing the size of the UPS, but the most common approach is to use active harmonic filters with power factor correction on the output.


This delivers a more acceptable load to the UPS, but it does reduce efficiency, take up more floor space and increase capital costs.

UPS Continuum - Testimonial CoGen Plus

My client purchased four robots to milk cows 24/7. At the start of the project, I asked the OEM - “How quickly will the robots reboot/reset after an outage? You should know that we get outages all the time and that we get voltage swings with all the PV”. OEM - No answer. It was then decided to install two 10kVA UPS systems to fill the gap between an outage and the backup diesel generator supporting the customer’s load. Fuseco, a specialist in this area, were a great help in producing a solution for the split phase 480VAC system.

Peter Bulle

Director at CoGen Plus

UPS Continuum -Testimonial SMEC

Dealing with your team has been a very positive experience. The Continuum UPS solutions in conjunction with your professional advice solved our Demand Load Management challenges perfectly.

Frank Leonis

Project Engineer at SMEC

UPS Continuum -Testimonial ARUP

Reliable continuity of supply has been an issue for this project from its inception. The Continuum solutions implemented here have solved this issue and have given us peace of mind. Thank you guys for your patience, expertise and support.

Lawrence Cheng

Engineering Manager at ARUP