IINDUSTRY AC UPS - MODULAR
Example 1:
Uin: 220 VDC
Uout: 230 V, 50 Hz
Power: 20 kVA / kW
STRUCTURE:
– input AC distribution with measurement, protections and distribut,
Type: IZR 1f (3f) – xx
– rectifiers / battery chargers, 1 to 24 pcs in parallel, „n+1“ principle, with fan or natural cooling
Type: MPL, MPLP (high power UPS) or PFC, PBR (UPS low power)
– battery, Lead-Acid or Ni-Cd, 1 or 2 sets – battery protection (over current, deep discharge, short circuit)
– measuring unit (currents, voltages, temperatures)
Type: MJ
– microprocessor unit for local and remote monitoring and control
Type: MPJ 02 (03) or MPJ 04
– DC / AC inverters
type: NIZ (high power UPS) or IK (low power UPS)
– automatic Bypass switch, 20 kVA (1 phase) or 60 kVA (3 phases)
Type: MBP 20k 1f or MBP 60k 3f
– manual Bypass switch
– output AC distribution with protections (MCCB, MCB, fuses), with or without selective disconnection
– cabinet, one or more (rectifiers cabinet + battery cabinet + DC/AC cabinet + output distribution cabinet + connecting cabinet)
Example 2:
Input: 3 x 440 V, 60 Hz
Output: 3 x 400 / 230 V, 50 Hz
Power: 7.5 kVA / kWIspravljač: 3 x 400 V, 50 Hz / 110 VDC– 100A
Rectifier: 3 x 400 V, 50 Hz / 110 VDC – 100 A
Inverters: 110 VDC / 3 x 400 / 230 V, 50 Hz
Batteries: 2 x 110 V – 285 Ah, Ni-Cd
Functional scheme of the system
Batteries:
110 VDC – Ni-Cd
2 x 285 Ah (B1 + B2)
Example 3
– 3 x 400 / 230 V, 50 / 60 Hz
Input: 3 x 400 / 230 V, 50 Hz
Output: 3 x 400 / 230 V, 50 Hz
Power: 15 kVA
Rectifier: 110 VDC, 6 x 25 A
Inverter: 230 V – 6 x 2.5 kVA
Batteries: 2 x 155 Ah
GENERAL DATA
INPUT:
– 230 V, 50 / 60 Hz or
– 3 x 400 / 230 V, 50 / 60 Hz
OUTPUT:
– 230 V, 50 Hz or
– 3 x 400 / 230 V, 50 Hz
POWER:
100 VA to 20 kVA, one phase output 7,5 kVA to 60 kVA, three phases output
AUTONOMY:
To 100 hours
LEVELS OF DISTRIBUTION SELECTIVITY
1 to 4
UPS TYPE:
– One phase
IZBN XXX/xxx – 1f/yyy – zzz
(XXX/xxx – rectifier voltage / rectifier current – 1f/yyy – output one phase / output power kVA – zzz – battery capacity C10)
For example, IZBN 110/200 – 1f/15k – 150
Values: rectifiers 110 VDC – 200 A, one phase inverter (110 VDC / 230 V,50 Hz) – output power 15 kVA, battery C10 = 150 Ah)
– Three phases
IZBN XXX/xxx – 3f/yyy – zzz
(XXX/xxx – rectifier voltage / rectifier current – three phases inverters / output power kVA – battery capacity C10)
For example, IZBN 220/150 – 3f/25k – 300
Values: rectifiers 220 VDC – 150 A, three phases inverters (220 VDC / 3 x 400/230 V,50 Hz) – output power 25 kVA, battery C10 = 300 Ah)
– the customer needs to define: input voltage, output voltage, output power, autonomy and specification of output switches