Showing posts with label power protection. Show all posts
Showing posts with label power protection. Show all posts

APC BACK-UPS RS BR1500 1500VA/865W UPS System Review

APC BACK-UPS RS BR1500 1500VA/865W UPS System
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This item is BR1500, which also called RS model vs. the BX1500 called XS models. External battery BR24BP can be used for both BR1500 and BX1500. The capability to connect external battery is great, since that can help reduce the downtime when California experiencing "rolling black" in the summer.
There are basically 2 differences between the Back-UPS RS(BR1500) and the Back-UPS XS (BX1500) models besides their names.1. The Back-UPS RS models have both 1-line 2-wire phone/fax/modem data-line protection and 10/100base-T ethernet protection, where as the Back-UPS XS models only has 1-line 2-wire phone/fax/modem protection.
2. The Back-UPS RS models have both Boost* and Trim** as features of Automatic Voltage Regulation (AVR), where as the Back-UPS XS only has Boost. When the input voltage increases above the high transfer point of a Back-UPS XS model it will only go to battery.*AVR Boost: The UPS is compensating for a low utility voltage. While the UPS can run in this mode indefinitely without any negative impact on the UPS, the circuit should be checked by a qualified electrician if the utility voltage is consistently low.
**AVR Trim: The UPS is compensating for a high utility voltage. While the UPS can run in this mode indefinitely without any negative impact on the UPS, the circuit should be checked by a qualified electrician if the utility voltage is consistently high.
BX1500 does not have the AVR trim feature, when AC line voltage is higher than spec, it will switch over the battery power till the line voltage drops into the spec range.
Please note this is called "backup UPS", not the "smart UPS" line. Backup UPS does not produce pure sine wave. When power lost, it will take some milli-seconds to switch over to battery power. "Smart-UPS" produces sine wave and the output AC was from DC source all the time. When AC input lost, the AC output will not have any interrupt.
For most computers, the "backup-UPS" is good enough, since the power supply inside PC always have capacitors that can hold for about 100MS or longer. When "backup-UPS" switched over in about 20MS, the computer will continue operates without much impact. But for A/V equipment, this may be an issue, especially the output is not pure sine wave. I would not recommend use this UPS for A/V equipment.

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APC BACK-UPS RS BR1500 1500VA/865W UPS System

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CyberPower PR1500LCDRTXL2U Smart App Sinewave Green UPS - 1500VA/1125W AVR LCD SNMP/HTTP XL (Black) Review

CyberPower PR1500LCDRTXL2U Smart App Sinewave Green UPS - 1500VA/1125W AVR LCD SNMP/HTTP XL (Black)
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The Chinese made (see photo) "CyberPower PR1500LCDRTXL2U Smart App Sinewave Green UPS - 1500VA/1125W AVR LCD SNMP/HTTP XL (Black)" arrived in a solid, well engineered box (see photo). The gross weight of the box is 42 Kg/92.5 lbs (see photo). On the whole, the unit appears attractive and well made as there were no noticeable blemishes and flaws on the finish and surface of the unit. In short, the product projects the appearance of having been assembled in a factory with well define processes and quality control measures.
On the electrical rating of the unit itself, I find the manufactures claim of 1125 watts of net output power a bit disingenuous. According to the affixed manufacturers electrical label, the device is UL rated to draw 12 Amps at 125 VAC or 1500 VA for a net output of 1125 Watts (see photo) with 75% efficiency. That works out to a total of 1440 VA at the wall plug and 1080 watts for a typical 120 VAC house and only 1320 VA and 990 watts for a house running on 110 VAC. Maybe they exist, but I don't know of any house that is operating at 125 VAC. Hence, presuming normal load and source conditions, it would be more forthright to advertise this device with a maximum output rating of 990-1080 Watts at 110-120 VAC.
The CyberPower PR1500, though called a "UPS" by name, is in fact not a true UPS and uninterrupted. This product, by electrical design, is not a double conversion device and therefore has a transfer time up to 6 milli seconds. A true UPS, with double conversion circuitry (AC-DC-AC) has zero transfer time and truly uninterrupted with AC line lost. But, because of noise levels, electrical efficiency issues and popular perception, CyberPower, APC and other manufactures include devices such as this under the heading of UPS.
The set up and configuration instructions are incomplete and uses very small hard to read type. Also no hard copy of the manual is supplied. The only manual available is one that can be down loaded or obtain from the supplied CDROM. Not all of my power backup applications are near a computer(s) and to presume so or to disregard other applications is a bit near sighted. As for tech support, twice this week I called the phone number listed on the company web site during normal working hours (1:30pm CST) and the phone rang for several minutes with no one answering.
Although not mentioned in the instructions, the front LED display block can be removed and rotated (see photo) to accommodate horizontal and vertical placement. To rotate the LED display block, one has to insert a flat tip (standard) screw driver into a small slot (see photo) and gently and carefully lift and extract the display block. The display block is attached in the rear with a ribbon cable to the face panel so be careful not to extend this part too far. Somewhat disappointing, given today's technology and ease to set, but the displayed input voltage is off by +2 VAC as per a Fluke 187 DVM.
The on/off switch has a plastic protective flip cover (see photo) to prevent accidental cycling of the AC source. This is a nice hardware feature and one that I feel other manufactures would do well to adopt. The unit comes with a 10 foot power cord with the AC prongs set in a protective plastic sheath (see photo). Batteries were fully charged on arrival.
As an observation, during the power cycle/transfer test and yet to be quantified, I noticed that the CyberPower PR1500 produces more inverter, cooling fan noise and vibration than the combined effect produced by an APC SU1400RM2U and SU2200RM2U sine wave units I have protecting an audio system. That's because the inverter fan in the CyberPower PR1500 is not a variable speed fan and operates at full speed at all times the inverter is functioning.
Though minor, at the rear of the unit, the space between the ether cable (line out) and the AC power cord grommet (see photo) is too tight. Even though I have small hands, I still found it necessary to use a flat tip device to depress the plastic ether cable release tab to disconnect the ether cable. This clearance problem could be alleviated if the chassis designers were to rotated the ether ports in their mounts by 180 degrees, placing the ether cable depression release tab opposite to that of the power cord grommet.
Included is a set of rack mount ears (see photo), pseudo dovetail, sliding rail kit (see photo) and shoes/chock (see photo) for freestanding. The steel rails and slides are of the non roller bearing type but still very functional. The two supplied plastic shoes for setting up the UPS in the vertical orientation can be separated (see photo) into four separate chocks for setting up the device in a horizontal non rack mount placement. For a heavy product, not having to be flush with the resting surface can be very helpful such that one can get their fingers underneath the unit for easer lifting.
The CyberPower PR1500 came supplied with a full complement of cables (see photo), two 9 pin serial cables, one USB 2.0 cable, one RJ-11 telephone cable, one RJ-45 CAT5 ether cable along with a CDROM containing the management software.
Last, a three display workstation (23", 24", 22") with an Intel i7 860 CPU, 8GB DDR3, XTC Memory Cooler, Radeon 5850, NEC USB3.0/SATA6 PCIe, AVer HDTV PCIe, 2TB RAID 01, 1.5 TB eSATA HD, Scythe Fan Controller, 3X 120mm fans, 3x 100mm fans, Ultra 600W PS, BT, GB ether hub, speaker bar drawing a total of 304Ws as per the UPS, reports having an estimated run time of 44 minutes with fully charged batteries.

Minus 0.25 for how the UPS output is electrically rated.
Minus 0.25 for high noise level of the AC inverter sub system.
Minus 0.25 for incomplete and too small a print used on the instructions.
Minus 0.25 for not supplying a hard copy of the user manual.

Click Here to see more reviews about: CyberPower PR1500LCDRTXL2U Smart App Sinewave Green UPS - 1500VA/1125W AVR LCD SNMP/HTTP XL (Black)

The Smart App Sinewave LCD UPS Series provides an advanced level of power protection to support mission-critical servers, telecom equipment, VOIP and internetworking hardware.The PR1500LCDRTXL2U has both a Pure Sinewave waveform and Full Automatic Voltage Regulation (AVR) technology, which delivers a consistent and clean AC signal that protects connected equipment and prevents costly business interruptions. The multifunction LCD readout provides ready access to power/battery condition vitals, such as: Runtime, Load, Temperature, and much more. The unit also features a battery expansion interface for an additional battery pack in order to increase back-up time.It includes eight (8) battery and surge protected NEMA 5-15R output receptacles, including four (4) that are designed to serve as fail-safe options for protecting critical loads. It also comes with four maintenance-free, user-replaceable 12V/9Ah batteries.Bundled PowerPanel Business Edition Management Software monitors UPS status and can provide unattended shutdown of two serially connected servers. The patented GreenPower UPS\' advanced circuitry reduces UPS energy costs by up to 75% compared to competitive models.An optional SNMP / HTTP Remote Management adapter (RMCARD201) supports remote management and control of the PR1500LCDRTXL2U through a standard web browser.The unit\'s unique convertible design allows for use in either a Tower (T) or Rackmount (RM) form factor.Backed by US-based Technical Support, an industry-leading 3-Year Warranty and a Connected Equipment Guarantee of $400,000.

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APC SUA750XL 750VA Extended Run 120V Line-int 8-Out USB Smart-UPS (Black) Review

APC SUA750XL 750VA Extended Run 120V Line-int 8-Out USB Smart-UPS (Black)
Average Reviews:

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I own many APC UPSes, from the relatively high end (i.e., like this one) to the relatively 'normal' levels. All seem incredibly well built. Before buying a UPS understand why APC has these various offerings, and try to understand which you might need. I wouldn't want my more critical servers ideally on anything below the Smart UPS series (they tend to have a pure sine wave output, along with a much more tightly regulated output). The Backup Pro series is a minor step down from the Smart UPS, in that it sacrifices pure sine wave output. The Backup series (non-pro) still has a very nicely regulated output, but is not quite as tightly controlled as the Pro series (nor of course does it have pure sine wave output).
APC sells serious stuff, at all levels, for very real reasons.

Click Here to see more reviews about: APC SUA750XL 750VA Extended Run 120V Line-int 8-Out USB Smart-UPS (Black)

Smart-UPS protects your data by supplying network-grade battery backup when power fails. With PowerChute plus software the uninterruptible power supply (UPS) will safely store data and shut down your network operating system before the battery is fully discharged whether you're there or not. SmartSlot internal accessory slot allows you to install optional accessories to enhance the performance of your UPS. APC Smart-UPS is the perfect UPS for fileservers minicomputers UNIX CPUs Internet hubs telecommunications systems and other mission-critical applications. Primary InformationPower Device Type:UPSUPS Technology:Line interactiveVoltage Provided:AC 120 VVoltage Required:AC 120 VPower Device / Form Factor:ExternalAudible alarmDimensions&MiscellaneousWidth:6.7 InchDepth:17.3 InchHeight:8.5 InchWeight:53.1 lbs.Compliant Standards:BSMICSAFCC Part 15 Class AUL 1778Enclosure Color:BlackPowerPower Provided:600 Watt / 750 VASurge Suppression:StandardBatteryBattery Type:UPS batteryBattery Technology:Lead-Acid batteryBattery Form Factor:Plug-in moduleBattery / Run Time:16.6 min at full load MinConnectionInterfaces & Connections:Interfaces : 1 x management - RS-232 - 9 pin D-Sub (DB-9) 1 x USB - 4 pin USB Type BInput Connector(s):1 x power NEMA 5-15Output Connector(s):8 x power NEMA 5-15Service&SupportService & Support Type:2 years warrantyUNSPSC CodeUNSPSC Code:39121011Product IDUPC:731304105244Manufacturer Part:SUA750XL

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