General: |
– Design Topology: | Brushless Oil Immersed Magnetic Induction |
– Phase: | H, LY & HX Series | Three Phase, 4 Wire (3P+N+GE) |
HD, LD & HXD Series | Three Phase, 3 Wire (3P+GE) |
– Model Nos: | IVRI-250*-3P-S* to IVRI-3000*-3P-S* |
– Power Ratings: | 13 Model Ratings- 250 kVA, 300 kVA, 350kVA, 400kVA, 500kVA, 600kVA , 750kVA, 1000kVA, 1250kVA, 1500kVA, 2000kVA, 2500kVA, & 3000 kVA |
– Frequency: | 47 to 65Hz |
– Phase Control: | Independent – maintains each phase voltage stable irrespective of load unbalance, even up to 100% load unbalance. |
– Power Factor: | The Power Factor has no effect on performance providing the stabilizer is being used within its rated capacity |
Input: |
– Nominal Voltage: | H & HD Series* | 380V, 400V or 415V (Customer to Specify) |
LY & LD Series* | 190V, 200V, 208V, 220V, or 240V (Customer to Specify) |
HX & HXD Series* | 440V, 460V or 480V (Customer to Specify) |
– Permissible Input Voltage Window/Swing (S*): | S10 – Nominal Voltage ±10% S15 – Nominal Voltage ±15% S20 – Nominal Voltage ±20% S25 – Nominal Voltage ±25% S30 – Nominal Voltage ±30% S35 – Nominal Voltage ±35% S40 – Nominal Voltage ±40% |
Output: |
– Voltage: | H & HD Series* | 380V, 400V or 415V |
| LY & LD Series* | 190V, 200V, 208V or 220V |
| HX & HXD Series* | 440V, 460V or 480V |
– Voltage Accuracy: | ±1.5% |
– Response Time: | <1.5ms |
– Correction Time: | A 10% supply variation will be corrected to within 2.5% in typically 0.6 to 1 second – dependent on the selected permissible input voltage swing and system rating |
– Efficiency: | ≥97% |
Metering, Alerts & Communication: |
– Metering: | Input Volts, Output Volts, and Load – complete with Phase Selector Switches |
– Alarms: | Over & Low Volts Loss of Phase & Phase Reversal Over Temperature |
– Interface: | No-Volt Free Contacts (N.C & N.O) |
Protection Features: |
– Surge Protection: | TVSS – Protects loads against high-energy Spikes and Transient Voltages |
– Lightning Surge Arrestors: | SPD – Class II |
– Overload Protection: | 10 x max. current rating for 2 seconds 3 x max. current rating for 1 minute 2 x max. current rating for 2 minutes |
– Oil Pressure: | Oil Pressure Release Valve |
Environmental: |
– Operating Temperature Range: | -10°C to +45°C Derate by 2% for each additional °C up to max 60°C |
– Storage Temperature Range: | -40°C to +50°C |
– Maximum Altitude: | 1000 meters (derate by 2.5% per additional 500 meters) |
– Relative Humidity: | Suitable for indoor tropical use – 0 to 95% (non-condensing) |
– THD – Harmonic Distortion: | < 1% |
Physical: |
– Power Connections: | Hardwire Input & Output (with top cable entry) |
– Construction: | IP20 / NEMA 1 Style – BS EN 60529 |
– Paint Colour: | RAL 7032 (Grey – Epoxy Powder Coating) |
– Cooling Insulation Oil: | Uninhibited Transformer Oil conforming to BS EN 60296 (2004). System supplied oil-filled |
– Dimensions & Weights: | Dependent on model rating and configuration Sizes and weights available on individual request |
Certification & Conformance: |
– EMC Conformance: | BS EN 55022 and relevant parts of BS EN 61000 |
– CE Certification: | CE Marked – 2014/30/EU (The EMC Directive) and 2014/35/EU (The Low Voltage Directive) |
– Warranty: | 2 Years / 24 Months from date of supply |
Optional Add-Ons: |
– Main System Switchboard (-MSB): | Floor Standing System Switchboard with – 3 Pole (4 Pole Option) Input Circuit Breaker, Output Circuit Breaker, Manual Maintenance Bypass Switch & Metering & Interlocking Protection |
– Power Conditioning (-PC): | Addition of a shielded isolation transformer, to provide enhanced spike & electrical noise (Common Mode: 120db @ 100khz & Normal Mode Noise: 60db @ 100khz) suppression and neutral ground bonding. Delivers what is commonly referred to as a ‘CLEAN’ supply |
– Earth Leakage Relay (-ELCB): | Disconnection of the Power in the event of an earth leakage |
– ISO Containerisation (-ISO): | Stabilizer (and MSB Switchboard) housed in an ISO Container |